{ "standard": "FactUnion Standard v1", "checkedAt": "2026-10-27T02:54:00.380Z", "title": "Descended from Charlemagne? So Is Your Mail Carrier", "date": "2026-10-26", "facts": [ { "n": 1, "claim": "The PLOS Biology study 'The Geography of Recent Genetic Ancestry across Europe' uses genomic data for 2,257 Europeans from the Population Reference Sample (POPRES) dataset.", "sources": [ { "url": "https://doi.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://dx.plos.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 2, "claim": "The same study reports that it detected 1.9 million shared long genomic segments.", "sources": [ { "url": "https://doi.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://ar5iv.labs.arxiv.org/html/1207.3815", "title": "The Geography of Recent Genetic Ancestry across Europe." } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 3, "claim": "The abstract says a pair of modern Europeans in neighbouring populations 'share around 2 to 12 genetic common ancestors from the last 1,500 years, and upwards of 100 genetic ancestors from the previous 1,000 years.'", "sources": [ { "url": "https://doi.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://dx.plos.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 4, "claim": "The abstract says individuals from opposite ends of Europe are 'still expected to share millions of common genealogical ancestors over the last 1,000 years.'", "sources": [ { "url": "https://doi.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://dx.plos.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 5, "claim": "The study says 'these genetic ancestors are a tiny fraction of common genealogical ancestors' and that 'these ancestors often do not contribute any genetic material to us.'", "sources": [ { "url": "https://doi.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://dx.plos.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://ar5iv.labs.arxiv.org/html/1207.3815", "title": "The Geography of Recent Genetic Ancestry across Europe." } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 6, "claim": "The PLOS Biology study by Peter Ralph and Graham Coop (UC Davis), published 7 May 2013, states: 'given that each individual has 2^n ancestors from n generations ago, theoretical considerations suggest that all humans are related genealogically to each other over surprisingly short time scales.'", "sources": [ { "url": "https://dx.plos.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://doi.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" } ], "verdict": "corrected", "note": "Source corrected: the page first cited was read and is about something else; the sources listed state this.", "quote": false, "usedInEpisode": true }, { "n": 7, "claim": "The study's overall window is the past 3,000 years. Over that period, pairs from opposite ends of Europe share 'hundreds of genetic common ancestors' according to the Author Summary. That is a different quantity from the millions of genealogical ancestors over the last 1,000 years.", "sources": [ { "url": "https://doi.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://dx.plos.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 8, "claim": "The study reports that shared genetic common ancestors 'drop off exponentially with geographic distance.'", "sources": [ { "url": "https://journals.plos.org/plosbiology/article?id=10.1371%2Fjournal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://arxiv.org/abs/1207.3815", "title": "The geography of recent genetic ancestry across Europe" }, { "url": "https://ar5iv.labs.arxiv.org/html/1207.3815", "title": "The Geography of Recent Genetic Ancestry across Europe." } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 9, "claim": "Rohde, Olson & Chang's 'Modelling the recent common ancestry of all living humans' appeared in Nature 431, 562 to 566 (2004), doi 10.1038/nature02842.", "sources": [ { "url": "https://www.scirp.org/reference/referencespapers?referenceid=2962419", "title": "Rohde, D.L.T., Olson, S. and Chang, J.T. (2004) Modelling the Recent Common Ancestry of All Living Humans. Nature, 431, 562-566." }, { "url": "https://www.discovery.com/podcasts/curiosity-daily-podcast/are-facial-expressions-universal-", "title": "Curiosity Daily Podcast: Are Facial Expressions Universal?" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 10, "claim": "The Nature abstract says that for a randomly mating population the most recent common ancestor of all living humans 'would have lived in the very recent past.'", "sources": [ { "url": "https://doi.org/10.1038/nature02842", "title": "Modelling the recent common ancestry of all living humans" }, { "url": "https://www.nature.com/articles/nature02842", "title": "Modelling the recent common ancestry of all living humans" }, { "url": "https://www.nature.com/news/2004/040927/full/news040927-10.html", "title": "Human populations are tightly interwoven" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 11, "claim": "The abstract says the random mating model 'ignores essential aspects of population substructure, such as the tendency of individuals to choose mates from the same social group, and the relative isolation of geographically separated groups.'", "sources": [ { "url": "https://doi.org/10.1038/nature02842", "title": "Modelling the recent common ancestry of all living humans" }, { "url": "https://www.nature.com/articles/nature02842", "title": "Modelling the recent common ancestry of all living humans" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 12, "claim": "The abstract describes two structured models. A simple one is analysed with explicit mathematics. A more elaborate one is analysed by Monte Carlo simulation. It states 'the MRCA of all present-day humans lived just a few thousand years ago in these models.'", "sources": [ { "url": "https://www.nature.com/articles/nature02842", "title": "Modelling the recent common ancestry of all living humans" }, { "url": "https://doi.org/10.1038/nature02842", "title": "Modelling the recent common ancestry of all living humans" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 13, "claim": "The abstract also says that among all individuals living more than just a few thousand years earlier than the most recent common ancestor, each present-day human has exactly the same set of genealogical ancestors. No generation count or calendar date for this 'identical-ancestors point' appears in the sources.", "sources": [ { "url": "https://www.nature.com/articles/nature02842", "title": "Modelling the recent common ancestry of all living humans" }, { "url": "https://doi.org/10.1038/nature02842", "title": "Modelling the recent common ancestry of all living humans" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 14, "claim": "Joseph Chang, alone, published 'Recent common ancestors of all present-day individuals' in Advances in Applied Probability, Vol. 31, Issue 4, December 1999, pp. 1002 to 1026, using a two-parent analogue of the Wright-Fisher model.", "sources": [ { "url": "https://www.cambridge.org/core/product/identifier/S0001867800009587/type/journal_article", "title": "Recent common ancestors of all present-day individuals | Advances in Applied Probability" }, { "url": "https://www.cambridge.org/core/journals/advances-in-applied-probability/article/abs/recent-common-ancestors-of-all-presentday-individuals/330372AB57FB1CB3839FAAA46CF81B66", "title": "Recent common ancestors of all present-day individuals | Advances in Applied Probability" }, { "url": "https://www.cambridge.org/core/journals/advances-in-applied-probability/article/recent-common-ancestors-of-all-presentday-individuals/330372AB57FB1CB3839FAAA46CF81B66", "title": "Recent common ancestors of all present-day individuals" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 15, "claim": "In Chang's 1999 model the number of generations to the most recent common ancestor is concentrated around lg n, base-2 log of population size n, and all partial ancestry ends at about 1.77 lg n generations back. The standard one-parent Wright-Fisher model gives about 2n generations.", "sources": [ { "url": "https://www.cambridge.org/core/product/identifier/S0001867800009587/type/journal_article", "title": "Recent common ancestors of all present-day individuals | Advances in Applied Probability" }, { "url": "https://www.cambridge.org/core/journals/advances-in-applied-probability/article/abs/recent-common-ancestors-of-all-presentday-individuals/330372AB57FB1CB3839FAAA46CF81B66", "title": "Recent common ancestors of all present-day individuals | Advances in Applied Probability" }, { "url": "https://doi.org/10.1239/aap%2F1029955256", "title": "Recent common ancestors of all present-day individuals | Advances in Applied Probability" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 16, "claim": "A paper on inbreeding and pedigree size asks how many generations ago the common ancestor of all present-day individuals lived and how inbreeding affects the estimate. It notes that 'mating is often non-random and inbreeding is ubiquitous in natural populations.'", "sources": [ { "url": "https://linkinghub.elsevier.com/retrieve/pii/S0022519309003701", "title": "Inbreeding, pedigree size, and the most recent common ancestor of humanity - ScienceDirect" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 17, "claim": "A 2023 Journal of Economic History article says 'we have only a rough idea of the population of most parts of the globe before 1500.'", "sources": [ { "url": "https://doi.org/10.1017/s0022050723000293", "title": "We Do Not Know the Population of Every Country in the World for the Past Two Thousand Years | The Journal of Economic History" }, { "url": "https://www.cambridge.org/core/journals/journal-of-economic-history/article/we-do-not-know-the-population-of-every-country-in-the-world-for-the-past-two-thousand-years/D747DDC6E499C799B0471DBE33FEB0BB", "title": "We Do Not Know the Population of Every Country in the World for the Past Two Thousand Years | The Journal of Economic History" }, { "url": "https://www.cambridge.org/core/product/identifier/S0022050723000293/type/journal_article", "title": "We Do Not Know the Population of Every Country in the World for the Past Two Thousand Years | The Journal of Economic History" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 18, "claim": "The same article says McEvedy and Jones's Atlas of World Population History (1978), the usual source, 'includes many estimates that are little more than guesses.' It quotes them on Germany: 'There are almost no data on which to base a population estimate for Germany until we reach the late Middle Ages.'", "sources": [ { "url": "https://doi.org/10.1017/s0022050723000293", "title": "We Do Not Know the Population of Every Country in the World for the Past Two Thousand Years | The Journal of Economic History" }, { "url": "https://www.cambridge.org/core/journals/journal-of-economic-history/article/we-do-not-know-the-population-of-every-country-in-the-world-for-the-past-two-thousand-years/D747DDC6E499C799B0471DBE33FEB0BB", "title": "We Do Not Know the Population of Every Country in the World for the Past Two Thousand Years | The Journal of Economic History" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 19, "claim": "Carl Zimmer's National Geographic essay 'Charlemagne's DNA and Our Universal Royalty', published 7 May 2013, includes the line: 'Suddenly, my pedigree looked classier: I am a descendant of Charlemagne. Of course, so is every other European.'", "sources": [ { "url": "https://www.nationalgeographic.com/science/article/charlemagnes-dna-and-our-universal-royalty", "title": "Charlemagne’s DNA and Our Universal Royalty" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 20, "claim": "A RootsWeb wiki page says editor Gordon L. Remington proposed guidelines for detecting genealogical fraud, citing his paper 'Charlemagne or Charlatan: Case Studies in Genealogical Fraud,' presented at the 1994 Federation of Genealogical Societies/Virginia Genealogical Society conference in Richmond, Virginia.", "sources": [ { "url": "https://wiki.rootsweb.com/wiki/index.php/Family_History_Etiquette,_Ethics,_Legalities", "title": "Family History Etiquette, Ethics, Legalities - Rootsweb" } ], "verdict": "verified", "note": "Kept on a lower-weight source (Rootsweb); nothing we found says otherwise.", "quote": false, "usedInEpisode": true }, { "n": 21, "claim": "A university-hosted genealogy page on Charlemagne's descendants and ancestors says its lineage does not agree with the 'Ancestral Roots' book, with Robert II missing from the Ancestral Roots lineage, but that this 'does not change the blood line to Charlemagne.'", "sources": [ { "url": "https://www.uvm.edu/~nkenyon/CharlemagneAncestry.html", "title": "Descendants and Ancestors of Charlemagne (in 4th generation)" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 22, "claim": "A DNAeXplained post dated 20 December 2015 on Charlemagne (742/748-814) says a birth date 'would appear to suggest that Charlemagne was born illegitimately, which is not mentioned by Einhard.'", "sources": [ { "url": "https://dna-explained.com/2015/12/20/charlemagne-742748-814-holy-roman-emperor-52-ancestors-103/", "title": "Charlemagne (742/748-814), Holy Roman Emperor, 52 Ancestors #103" } ], "verdict": "verified", "note": "Kept on a lower-weight source (dna-explained.com); nothing we found says otherwise.", "quote": false, "usedInEpisode": true }, { "n": 23, "claim": "An essay on African ancestry and DNA testing says: 'Genetics and DNA as the \"great truth teller\", however, frequently yield results that go contrary to expectations.'", "sources": [ { "url": "https://www.mdpi.com/2313-5778/2/3/32", "title": "Techno-Ethno Genealogy: An African Ancestry Narrative in the Digital Age" } ], "verdict": "verified", "note": "Kept on a lower-weight source (mdpi.com); nothing we found says otherwise.", "quote": true, "usedInEpisode": true }, { "n": 24, "claim": "Tanya Evans's article in the Journal of Family History (vol. 46, no. 1, 2021) draws on surveys and oral-history interviews with family historians in Australia, England and Canada. It says they use oral history, archival documents, material culture and space to 'construct and reconstruct family stories.'", "sources": [ { "url": "https://researchers.mq.edu.au/en/publications/how-do-family-historians-work-with-memory/", "title": "How do family historians work with memory?" } ], "verdict": "corrected", "note": "Source corrected: the page first cited was read and is about something else; the sources listed state this.", "quote": false, "usedInEpisode": true }, { "n": 25, "claim": "Mary Contini Gordon's chapter 'The Role of Memory in Family Oral History' (Routledge, 2023) opens with two adult siblings disputing a childhood memory and mentions 'the advice of a vibrant elderly uncle to fact check him which proved him right.'", "sources": [ { "url": "https://www.taylorfrancis.com/books/9781003129646/chapters/10.4324/9781003129646-11", "title": "The Role of Memory in Family Oral History" }, { "url": "https://www.taylorfrancis.com/chapters/mono/10.4324/9781003129646-11/role-memory-family-oral-history-mary-contini-gordon", "title": "The Role of Memory in Family Oral History" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 26, "claim": "The Italian result in the European study: 'most common ancestors that Italians share with other populations lived longer than 2,500 years ago.'", "sources": [ { "url": "https://journals.plos.org/plosbiology/article?id=10.1371%2Fjournal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://doi.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" }, { "url": "https://dx.plos.org/10.1371/journal.pbio.1001555", "title": "The Geography of Recent Genetic Ancestry across Europe" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 27, "claim": "In a 1941 letter to Eva Luther Pippin, Rev. Walter W. Pippen, Jr. wrote: \"We are all descendants of Charlemagne thru his son Pepin, King of Italy.\"", "sources": [ { "url": "https://www.oocities.org/hillypippin/wpe/node1.html", "title": "Early Pippins in America" } ], "verdict": "verified", "note": "Kept on a lower-weight source (oocities.org); nothing we found says otherwise.", "quote": true, "usedInEpisode": true }, { "n": 28, "claim": "Rev. Walter W. Pippen, Jr.'s typescript of about 1942 says: \"It would be a costly task to authentically connect these lines with Charlemagne but family tradition and historical data make it too circumstantially strong to be reasonably denied.\"", "sources": [ { "url": "https://www.oocities.org/hillypippin/wpe/node1.html", "title": "Early Pippins in America" } ], "verdict": "verified", "note": "Kept on a lower-weight source (oocities.org); nothing we found says otherwise.", "quote": true, "usedInEpisode": true }, { "n": 29, "claim": "Yale's 29 September 2004 release quotes Joseph T. Chang: \"While we may not all be 'brothers,' the models suggest we are all hundredth cousins or so.\"", "sources": [ { "url": "https://news.yale.edu/2004/09/29/most-recent-common-ancestor-all-living-humans-surprisingly-recent", "title": "Most Recent Common Ancestor of All Living Humans Surprisingly Recent" }, { "url": "http://www.stat.yale.edu/~jtc5/papers/CommonAncestors/NatureAncestorsPressRelease.html", "title": "'Most recent common ancestor' of all living humans surprisingly recent" }, { "url": "https://www.sciencedaily.com/releases/2004/09/040930122428.htm", "title": "'Most Recent Common Ancestor' Of All Living Humans Surprisingly Recent" } ], "verdict": "verified", "quote": true, "usedInEpisode": true }, { "n": 30, "claim": "According to the Yale release, Chang's simplified model put the most recent common ancestor less than 1,000 years ago and the identical-ancestors point less than 2,000 years ago. The more realistic 2004 models put the common ancestor as recently as about 3,000 years ago and the identical-ancestors point as recently as several thousand years ago.", "sources": [ { "url": "https://news.yale.edu/2004/09/29/most-recent-common-ancestor-all-living-humans-surprisingly-recent", "title": "Most Recent Common Ancestor of All Living Humans Surprisingly Recent" }, { "url": "http://www.stat.yale.edu/~jtc5/papers/CommonAncestors/NatureAncestorsPressRelease.html", "title": "'Most recent common ancestor' of all living humans surprisingly recent" }, { "url": "https://www.sciencedaily.com/releases/2004/09/040930122428.htm", "title": "'Most Recent Common Ancestor' Of All Living Humans Surprisingly Recent" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 31, "claim": "The Yale release quotes Chang: \"Within two thousand years, it is likely that everyone on earth will be descended from most of us.\"", "sources": [ { "url": "https://news.yale.edu/2004/09/29/most-recent-common-ancestor-all-living-humans-surprisingly-recent", "title": "Most Recent Common Ancestor of All Living Humans Surprisingly Recent" }, { "url": "https://www.eurekalert.org/news-releases/745823", "title": "'Most recent common ancestor' of all living humans surprisingly recent" }, { "url": "https://www.sciencedaily.com/releases/2004/09/040930122428.htm", "title": "'Most Recent Common Ancestor' Of All Living Humans Surprisingly Recent" } ], "verdict": "verified", "quote": true, "usedInEpisode": false }, { "n": 32, "claim": "Nature News (29 September 2004) reports that Rohde's team calculated that in 5,400 BC everyone alive was an ancestor either of all of humanity or of nobody alive today. The same report says the most recent common ancestor probably lived around 1,500 BC in eastern Asia.", "sources": [ { "url": "https://www.nature.com/news/2004/040927/full/news040927-10.html", "title": "Human populations are tightly interwoven" }, { "url": "https://www.bioedonline.org/news/nature-news-archive/human-populations-tightly-interwoven/", "title": "Human populations are tightly interwoven" } ], "verdict": "verified", "quote": false, "usedInEpisode": true }, { "n": 33, "claim": "On who the common ancestor was, Douglas Rohde told Nature News: \"Maybe it was someone who happened to have 40 children or some such astronomical number.\"", "sources": [ { "url": "https://www.nature.com/news/2004/040927/full/news040927-10.html", "title": "Human populations are tightly interwoven" }, { "url": "https://www.bioedonline.org/news/nature-news-archive/human-populations-tightly-interwoven/", "title": "Human populations are tightly interwoven" } ], "verdict": "verified", "quote": true, "usedInEpisode": true }, { "n": 34, "claim": "Nature's News & Views commentary on the 2004 paper says: \"had you entered any village on Earth in around 3,000 BC, the first person you would have met would probably have been your ancestor!\"", "sources": [ { "url": "https://www.physicsforums.com/threads/how-the-human-mrca-possibly-have-lived-just-3-000-years-ago.931918/", "title": "How the human MRCA possibly have lived just 3,000 years ago?" } ], "verdict": "verified", "note": "Kept on a lower-weight source (physicsforums.com); nothing we found says otherwise.", "quote": false, "usedInEpisode": true }, { "n": 35, "claim": "A Generaggs essay dated 20 July 2026 splits 'I descend from Charlemagne' into four claims: statistical, genetic, documented and significance. It says: \"The documented claim is almost always unproven for any given person and is the only one that carries genealogical weight.\"", "sources": [ { "url": "https://generaggs.substack.com/p/do-all-europeans-descend-from-charlemagne", "title": "Do All Europeans Descend From Charlemagne?" } ], "verdict": "verified", "note": "Kept on a lower-weight source (Substack); nothing we found says otherwise.", "quote": true, "usedInEpisode": true }, { "n": 36, "claim": "Davide Piffer (27 July 2026) reports that Lyman Stone argued pedigree collapse defeats the simple doubling proof and suggested there are almost certainly people in France who do not descend from Charlemagne. Piffer agrees the doubling argument is wrong and writes that without a connected population \"'every European descends from Charlemagne' is not a mathematical theorem.\"", "sources": [ { "url": "https://pifferpilfer.substack.com/p/does-every-european-descend-from", "title": "Does Every European Descend From Charlemagne?" } ], "verdict": "verified", "note": "Kept on a lower-weight source (Substack); nothing we found says otherwise.", "quote": false, "usedInEpisode": true } ], "removed": [ { "claim": "In a family history dated July 1988, Harold F. Umstott of Charlottesville, Virginia, born 1907, wrote: \"Through the DuBois Family Association we now have the line of descent from Emperor Charlemagne and the host of European Royalty.\"", "reason": "We could not find these exact words on any source we read." }, { "claim": "The addendum to the same Umstott family history says information from the Swiss Embassy \"sheds doubt on the story that a close relative of Moritz Schweizer was a President of Switzerland.\"", "reason": "We could not find these exact words on any source we read." } ], "audioCheck": { "lines": 170, "matched": 170 }, "corrections": [], "verify": { "method": "1.3", "llmMode": "testing", "models": { "summary": "claude-haiku-5-5", "extract": "claude-haiku-5-5", "consolidate": "claude-haiku-5-5", "query": "claude-haiku-5-5", "read": "claude-haiku-5-5", "read_second": "claude-haiku-5-5", "compare": "claude-haiku-5-5", "classify": "claude-haiku-5-5", "explain": "claude-haiku-5-5", "undash": "claude-haiku-5-5", "correct": "claude-haiku-5-5" }, "preScript": { "jobId": "job_N487JSJH1H52P3A59EVB", "checkedAt": "2026-10-27T02:54:00.380Z", "counts": { "verified": 34, "corrected": 2, "removed": 2 } }, "episode": { "jobId": "job_0AAGTQJS74D3GHV4WK98", "checkRef": "chk_GHKV8C6J3DKTWVQQB1SN", "trustPageUrl": null, "checkedAt": "2026-10-27T23:35:49.312Z", "score": null, "outcome": "not_rated", "counts": { "verified": 31, "not_verified": 0, "questionable": 30, "unable_to_determine": 18 }, "stability": { "spread": 7, "unstableClaims": 4, "pass": false }, "notVerified": [], "questionable": [ { "k": 1, "claim": "A 1941 letter by Reverend Walter W. Pippin Jr. states that all Pippins are descendants of Charlemagne through his son Pepin, King of Italy.", "reasonText": "Only one source states this: oocities.org." }, { "k": 2, "claim": "Reverend Walter W. Pippin Jr. wrote the Charlemagne letter to Eva Luther Pippin in 1941.", "reasonText": "Only one source states this: oocities.org." }, { "k": 3, "claim": "The letter is transcribed on a family history web page called Early Pippins in America.", "reasonText": "Only one source states this: oocities.org." }, { "k": 7, "claim": "The European study says neighbours in Europe share around two to twelve genetic common ancestors from the last 1,500 years.", "reasonText": "Reliable sources disagree about this." }, { "k": 11, "claim": "In his family history, Reverend Walter W. Pippin Jr. wrote that linking the family to Charlemagne would be a costly task, but that family tradition and historical data make the link too circumstantially strong to be reasonably denied.", "reasonText": "Sources only partly back this: oocities.org." }, { "k": 15, "claim": "SagaSeal turns spoken life stories into a book.", "reasonText": "Only one source states this: sagaseal.com." }, { "k": 16, "claim": "SagaSeal questions appear on a screen one at a time, in big letters, and are read aloud.", "reasonText": "Only one source states this: sagaseal.com." }, { "k": 21, "claim": "SagaSeal memoirs are bound as hardcovers by real people.", "reasonText": "Only one source states this: sagaseal.com." }, { "k": 23, "claim": "The European study was published in 2013 by Peter Ralph and Graham Coop at UC Davis.", "reasonText": "Only one source states this: 119 Citations." }, { "k": 28, "claim": "The atlas authors said their estimates were guesses, including for Germany, and that there are almost no data for Germany before the late Middle Ages.", "reasonText": "Sources only partly back this: Cambridge University Press." }, { "k": 30, "claim": "Chang's 1999 model assumed that everybody has two parents and that couples pair up at random.", "reasonText": "Sources only partly back this: Cambridge University Press." }, { "k": 32, "claim": "In Chang's simplified model, doubling the whole population adds only about one more generation to the time back to a common ancestor of everyone.", "reasonText": "Sources only partly back this: Cambridge University Press." }, { "k": 39, "claim": "The paper's summary says the shared common ancestry of people is dated to a few thousand years ago.", "reasonText": "PLOS gives context that changes the meaning. Our summary: The paper's findings concern European individuals only, and its headline result focuses on the past 1,000 years." }, { "k": 42, "claim": "Nature News reported that Rohde's team calculated that in 5400 BC everyone alive was an ancestor either of all of humanity or of nobody alive today.", "reasonText": "Sources only partly back this: NBC News." }, { "k": 44, "claim": "The study's few-thousand-year window covers every human on the planet, including the most cut-off populations.", "reasonText": "Sources only partly back this: Springer Nature." }, { "k": 45, "claim": "Nature's commentary said anyone walking into any village on earth around 3000 BC would probably have met a common ancestor first.", "reasonText": "The fact holds, but the named source does not say it." }, { "k": 46, "claim": "Rohde told Nature News that the one common ancestor might have been someone with forty children or a similarly large number.", "reasonText": "The fact holds, but the named source does not say it." }, { "k": 49, "claim": "A separate paper on pedigrees says mating is often non-random and inbreeding is ubiquitous in natural populations.", "reasonText": "Only one source states this: ScienceDirect." }, { "k": 54, "claim": "Ruth found no sourced probability that any one person descends from Charlemagne.", "reasonText": "Sources only partly back this: Springer Nature." }, { "k": 55, "claim": "The quoted line comes from a National Geographic essay by Carl Zimmer published in May 2013.", "reasonText": "Sources only partly back this: National Geographic." }, { "k": 58, "claim": "The European study says genetic ancestors shared by people are a tiny fraction of their common genealogical ancestors, and common genealogical ancestors often contribute no genetic material to people today.", "reasonText": "The fact holds, but the named source does not say it." }, { "k": 59, "claim": "The European study says neighbours in Europe share upwards of a hundred genetic common ancestors from the thousand years before the last 1,500 years.", "reasonText": "Only one source states this: Blogger." }, { "k": 62, "claim": "The European study says most common ancestors Italians share with other populations lived more than 2,500 years ago.", "reasonText": "The fact holds, but the named source does not say it." }, { "k": 64, "claim": "An essay on African ancestry and DNA testing says genetics and DNA frequently yield results that go contrary to expectations.", "reasonText": "Only one source states this: mdpi.com." }, { "k": 67, "claim": "Robert the Second is missing from the lineage in the book Ancestral Roots.", "reasonText": "The fact holds, but the named source does not say it." }, { "k": 70, "claim": "In 1994 editor Gordon Remington presented a paper at a conference in Richmond, Virginia.", "reasonText": "Only one source states this: Rootsweb." }, { "k": 73, "claim": "The DNAeXplained post says one birth date would appear to suggest Charlemagne was born illegitimately, and notes that Einhard does not mention this.", "reasonText": "Only one source states this: dna-explained.com." }, { "k": 74, "claim": "In July 2026 an essay on the Generaggs site split the claim I descend from Charlemagne into four separate claims.", "reasonText": "Only one source states this: Substack." }, { "k": 75, "claim": "The Generaggs essay says the documented claim is almost always unproven for any given person and is the only one that carries genealogical weight.", "reasonText": "Only one source states this: Substack." }, { "k": 78, "claim": "In Mary Contini Gordon's chapter on memory in family oral history, checking an elderly uncle's stories proved him right.", "reasonText": "Only one source states this: taylorfrancis.com." } ] } } }