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Thread: Could my great grandfather have been Ashkenazi?

  1. #11
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    Quote Originally Posted by HBA39 View Post
    My granddad doesn’t know anything about his fathers family, we were told he was Polish but recently I found a photo of my great granddad and the picture was taken in Lithuania. He had a Polish passport though when he was serving in the war. We also found someone who is Polish and shares the same surname as us which is also Polish and extremely rare, he said that if we are related then we have family in Germany. When I took a 23andme test a few years back I was given a small % of Ashkenazi. I no longer have the account so I can’t go back and look at those results. And whilst I know the majority of people hate DNA.Land I also got given Ashkenazi on there, 8% I believe. It has appeared in some of my Gedmatch calculators such as MDLP (I don’t have my Gedmatch account anymore either I don’t trust their privacy anymore).

    Here is a screenshot of my DNA. land map for reference https://ibb.co/2KkjkCC
    According to DNA.Land I am 10% finnish. I wouldn't rely on their estimates. In fact, I wouldn't rely on any estimates more than paper trail, but if you have to I would actually look at 23 and me updated version and on any commercial website at the DNA Matches.
    Even there, I would not jump to conclusions so early beause you have a "distant cousing" who is half ashkenazi or something.

    And btw, I've also been given 5% Ashkenazi by My Heritage, 5% British by FTDNA, anything between 4-15% Iberian... (all extremely unlikely).
    Even 23andme, which IMO does a good job now, gave me 1.4% Scandinavian which I believe to be just BS.
    Last edited by Northern Adriatic; 04-05-2021 at 10:55 AM.
    Deep Ancestry: 63.2% AUT_LBK_N + 36.8% RUS_Vonyuchka_En @ 2.6339%
    Ancient: 89.0% ITA_Rome_Late_Antiquity + 11.0% HUN_Avar_Szolad @ 2.4649%

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  3. #12
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    Quote Originally Posted by Northern Adriatic View Post
    And btw, I've also been given 5% Ashkenazi by My Heritage, 5% British by FTDNA, anything between 4-15% Iberian... (all extremely unlikely).
    Even 23andme, which IMO does a good job now, gave me 1.4% Scandinavian which I believe to be just BS.
    How can MyHeritage assign Ashkenazi ancestry to people without even doing a simple check to see that they at least have a decent number of Ashkenazi DNA matches? Sigh.. It's one of the most studied and well-tested populations in the world, not to mention endogamous, it's impossible to be even a few percent Ashkenazi and not have number of DNA matches in the commercial databases.
    Last edited by peloponnesian; 04-05-2021 at 11:32 AM. Reason: spelling

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  5. #13
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    Quote Originally Posted by peloponnesian View Post
    How can MyHeritage assign Ashkenazi ancestry to people without even doing a simple check to see that they at least have decent number of Ashkenazi DNA matches? Sigh.. It's one of the most studied and well-tested populations in the world, not to mention endogamous, it's impossible to be even a few percent Ashkenazi and not have number of DNA matches in the commercial databases.
    Other way round I know people with real Ashkenazi % on 23andme and who have Ashkenazic matches and have nothing on MyHeritage. I saw Indians, Croats and even Irish scoring not real Ashkenazi there

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  7. #14
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    Quote Originally Posted by peloponnesian View Post
    How can MyHeritage assign Ashkenazi ancestry to people without even doing a simple check to see that they at least have a decent number of Ashkenazi DNA matches? Sigh.. It's one of the most studied and well-tested populations in the world, not to mention endogamous, it's impossible to be even a few percent Ashkenazi and not have number of DNA matches in the commercial databases.
    Absolutely right. And as I think was already mentioned, this wasn't always the case. It is only the last 2 or 3 versions of 23andMe that have been exceptional at identifying segments of Ashkenazi admixture. The other companies have always been even more behind. AncestryDNA's last update seemed to have fix some issues (such as half Dodecanese half Ashkenazi were scoring 75% Ashkenazi in previous update, to now scoring 50% as expected), I'm not sure if it's on 23andMe's level now but it's close. The rest of the websites are still particularly bad. The methods 23andMe and AncestryDNA use also aren't some hidden knowledge. They both have publicly released their methods for the others to follow. It is strange they cannot follow in a reasonable time frame.
    Code:
    23abc_AncestryDNA_scaled,0.110408,0.151314,-0.0290383,-0.0507112,0.0018465,-0.0156179,-0.00305514,-0.00138456,-0.00899905,0.00911181,0.00243583,-0.00149867,-0.00431116,0.00344057,-0.00773606,0.00106072,0.00195576,0.00152026,0.00251396,-0.00550264,-0.00786113,-0.00197844,0.0025882,0.00168699,0.000957998

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