Interpretation of an eventual jewish background from a dna test #dna #hungary


johan haesert
 

Herbert, thank you for your answer! If I understand your
interpretation of my dnaresults it is possible, but not sure, that I
have some connection to jewish ancestors, provided that there are no
other jewish relatives in my familyhistory,
As there are no other criteria, than my dnaresults, to prove an
eventual jewish background I have been recommended to try a more
reliable dna test, AncestryDNA, What is your view on that? Perhaps all
this kind of DNAtest are very imprecise!
Best regards
Johan Haesert
Stockholm, Sweden

Den mån 8 nov. 2021 kl 21:45 skrev Herbert Lazerow <lazer@...>:


An initial word of caution. DNA analysis is a combination of science and statistics. If either is incorrect, the results will also be incorrect. Since statistics are involved, we are dealing with probabilities, not certainties.
An 8% Ashkenazi Jewish ancestry is about what one would expect if one of your great-great-grandparents had 100% Ashkenazi Jewish ancestry, and none of your other ancestors had any.
Y-DNA analysis will not help you if you are certain that Jewish DNA does not occur in your male line because Y-DNA looks only at the Y chromosome, which is passed nearly intact from father to son. Any female in that chain renders the test useless.
There is probably no alternative to following the records back. One might pay particular attention to female ancestors who lived in areas where significant number of Ashkenazi Jews lived.
Bert
--
Herbert Lazerow
Professor of Law, University of San Diego
5998 Alcala Park, San Diego CA 92110
lazer@...
Author: Mastering Art Law (Carolina Academic Press, 2d ed. 2020)

--
Hello I am looking for an eventual jewish background. My grandmothers father (Ignatz Almuslin b 1829) emmigrated from the town Neusatz, Hungary, now Novi Sad, Serbia He emiigrated to Seden in the middle of the 1900 century. There have been a dispute wether he is my grandmothers father or not. To know more about this I have taken a dnatest (MyHeritage) which shows the following: 59% scandianvian, 20% east easteurope, 8% ashkenazi-jude, 7% balt, 6% others like 4% iberian. Ignatz was of jewish and probably of sephardic origin. 
My grandmothers mother have only swedish relatives far back. My grandfather, that is my fathers father, comes from the north of Germany. His ancestors is located in the area of Stralsund with no known connection to jewish relatives. My mothers relatives are all swedish far back in time.
I am now interested to know for an eventual jewish background. What does the result from the dnatest tell me in connection to that question? To know more perhaps an Ytest is more suitable?


Herbert Lazerow
 

    An initial word of caution. DNA analysis is a combination of science and statistics.  If either is incorrect, the results will also be incorrect.  Since statistics are involved, we are dealing with probabilities, not certainties.
    An 8% Ashkenazi Jewish ancestry is about what one would expect if one of your great-great-grandparents had 100% Ashkenazi Jewish ancestry, and none of your other ancestors had any.
    Y-DNA analysis will not help you if you are certain that Jewish DNA does not occur in your male line because Y-DNA looks only  at the Y chromosome, which is passed nearly intact from father to son. Any female in that chain renders the test useless.
    There is probably no alternative to following the records back.  One might pay particular attention to female ancestors who lived in areas where significant number of Ashkenazi Jews lived.
Bert
--
Herbert Lazerow
Professor of Law, University of San Diego
5998 Alcala Park, San Diego CA 92110
lazer@...
Author: Mastering Art Law (Carolina Academic Press, 2d ed. 2020)


Michael Gordy
 


Hello Johan, would it be possible to get a DNA test for your father or an uncle or aunt on your father’s side?  If the Ashkenazi history is your father’s, then the “signal” will tend to be stronger on a relative of an previous generation.  If a grandparent or sibling of a grandparent is alive, that would be most helpful.

If you have cousins on your father’s paternal and maternal sides, testing them would help you identify which side carries the Ashkenazi history.  I would say that Y-DNA will not help very much.  

Good luck!
Michael Gordy
Takoma Park, Maryland, USA


Adam Turner
 

Regarding your question about a y-DNA test: the person you think has Jewish ancestry is connected to you through your paternal grandmother. The y-chromosome is only found in men and thus is passed down from your paternal line only - your father, his father, and so on. So since the great-grandfather you think is Jewish is (maybe) connected to you through a female ancestor, a y-DNA test won't tell you anything useful about him. It will only give you information about your paternal grandfather's father - the non-Jewish one from north Germany.

As for your question about whether MyHeritageDNA's ethnicity analysis confirms that your grandmother's father was Jewish: in my opinion, it is hard to treat your test result as probative because MyHeritageDNA is, at best, notoriously imprecise with its ethnicity estimates. See here for a post in this forum which discusses some of its problems:

https://groups.jewishgen.org/g/main/message/647441

If it is available in your country, I might consider testing on AncestryDNA. If it comes back with a result that you are ~9-15% Jewish, that could be a useful clue, although ideally you would also be able to find probable cousins in your DNA matches who have traceable Jewish ancestors who came from the Novi Sad area. That might help point you in the direction you need to locate documents proving the connection between your possible great-grandfather Ignatz Almuslin and your DNA matches' ancestors.

Adam Turner


johan haesert
 


--
Hello I am looking for an eventual jewish background. My grandmothers father (Ignatz Almuslin b 1829) emmigrated from the town Neusatz, Hungary, now Novi Sad, Serbia He emiigrated to Seden in the middle of the 1900 century. There have been a dispute wether he is my grandmothers father or not. To know more about this I have taken a dnatest (MyHeritage) which shows the following: 59% scandianvian, 20% east easteurope, 8% ashkenazi-jude, 7% balt, 6% others like 4% iberian. Ignatz was of jewish and probably of sephardic origin. 
My grandmothers mother have only swedish relatives far back. My grandfather, that is my fathers father, comes from the north of Germany. His ancestors is located in the area of Stralsund with no known connection to jewish relatives. My mothers relatives are all swedish far back in time.
I am now interested to know for an eventual jewish background. What does the result from the dnatest tell me in connection to that question? To know more perhaps an Ytest is more suitable?

Johan Haesert