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In my experience with Ashkenazi kits, the relationship predictions are still accurate for 1st cousins and closer relatives. You don't get someone sharing 12% DNA who is a 2nd cousin or even 1st once removed. But we don't know if the OP even fits this category so it may be moot.
According to a study done by FamilyTreeDNA, Ashkenazi relationship predictions can be closer than they seem starting at 3rd cousins and more distant. But for 2nd cousins and closer they follow the same pattern as non-Jewish groups and the same DNA ranges apply.
But what does this mean in plain English (I'm not a genealogist); inbreeding?
In my experience with Ashkenazi kits, the relationship predictions are still accurate for 1st cousins and closer relatives. You don't get someone sharing 12% DNA who is a 2nd cousin or even 1st once removed. But we don't know if the OP even fits this category so it may be moot.
According to a study done by FamilyTreeDNA, Ashkenazi relationship predictions can be closer than they seem starting at 3rd cousins and more distant. But for 2nd cousins and closer they follow the same pattern as non-Jewish groups and the same DNA ranges apply.
But what does this mean in plain English (I'm not a genealogist); inbreeding?
Essentially, yes, though in many cases, couples probably don't even realize they are related - they may share multiple distant ancestors rather than recent ones. It's not like they're all marrying their 1st cousins, though that may have happened sometimes. There is also a lot of endogamy among Pennsylvania Dutch communities, early colonial communities, and very small towns in Europe.
I was matched through MyHeritage with someone I don't recognize at all as a 12% match. They are almost as related to me as my first cousins. I only know based on common matches with other relatives they are related to me on my mother's not my father's side of the family. I know my family tree geographically well and can't come up with a distant family member who lives in the same region as the mystery match.
Is it scientifically possible for someone to be this close of a DNA match and be a very distant relative?
What is the cM amount? You input that into the shared cM project tool, it will tell you the most likely relationship that it could be.
I just looked on my heritage, my son and his "half niece" (my granddaughter) share 12.5%. He shares 11.9% with my grandson, who is his "half nephew". I hate the "half" because my kids were raised together, they're brother and sister. My son shares 11.1 with my fathers brother, my uncle, so his great uncle. He shares 7.3% with my maternal first cousin.
I loaded my grandson at my heritage, he matches my mother, his great grandmother at 11.9% and my sister who is his great aunt at 10.3%. He matches his paternal great grandmother at 14.7%
So now you have something to compare it to. What are the ages of the people and the cM amounts? I'd also like to see the tool. I post screen shots all the time in groups. There are only so many things it will be, just like my son and grandsons DNA shows.
My only experience with Ashkenazi Jewish descent is the "Jennings" (actually Bloshinsky) family on TLC. I noticed they all look. exactly. alike. and wondered what their national/ethnic origin was and Googled it and they all look. exactly. alike. so was curious when it was mentioned here. Those are definitely some strong genes...
My only experience with Ashkenazi Jewish descent is the "Jennings" (actually Bloshinsky) family on TLC. I noticed they all look. exactly. alike. and wondered what their national/ethnic origin was and Googled it and they all look. exactly. alike. so was curious when it was mentioned here. Those are definitely some strong genes...
Funny, I was watching Jazz about a week or so ago, googled to see what ethnicity they were for a similar reason.
The grandparents are the mothers parents right? I've been watching the show for years except the season last year after her surgery.
I wondered about the father, saw he is a very successful attorney. I didn't look into their actual last name except Jennings is not their name. I never knew that lol
Are you trying to make it sound like it is acceptable behavior?
Cousin marriages are acceptable in most places - most US states allow 2nd+ cousins to marry, and some even allow for 1st+ cousins to marry. Like I said, in many endogamous communities, couples probably often share multiple distant ancestors, not recent ones, and may not even be aware they are related (apart from maybe knowing the community on the whole is endogamous). So how about we take a step back from unfair judgements. We're talking about cousin marriages, not incest. Inbreeding and incest are not the same thing, and even if you don't come from an very endogamous community, you will have cousin marriages in your family tree at some point - we all do, because pedigree collapse influences everyone's tree at some point.
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