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4th - 6th Cousins - More Distant Than Predicted

4th - 6th Cousins - More Distant Than Predicted

Posted: 14 Apr 2013 12:55PM GMT
Classification: Query
I have (3) 4th - 6th Cousin matches that I've only found to be 8th, 9th and 10th cousins respectively. I am wondering if there's a possibility that the predictions are off by that much, or we are also closer cousins in a way that I have yet to find.

Re: 4th - 6th Cousins - More Distant Than Predicted

Posted: 14 Apr 2013 1:10PM GMT
Classification: Query
You may have another unknown relationship too. My 4th-6th cousin relationships are usually within the predicted range unless I have a second relationship too.

Re: 4th - 6th Cousins - More Distant Than Predicted

Posted: 16 Apr 2013 5:10AM GMT
Classification: Query
This could be due to pedigree collapse. When there are repeated marriages within lines (cousins marrying cousins), you share a larger segment of DNA than you might otherwise which makes it look like a closer match.

Re: 4th - 6th Cousins - More Distant Than Predicted

Posted: 16 Apr 2013 5:38AM GMT
Classification: Query
:-)

Re: 4th - 6th Cousins - More Distant Than Predicted

Posted: 16 Apr 2013 10:41AM GMT
Classification: Query
Very interesting... thanks!

Re: 4th - 6th Cousins - More Distant Than Predicted

Posted: 16 Apr 2013 10:55PM GMT
Classification: Query
I had a predicted 4th-6th cousin that came with a leaf hint showing an 8th cousin match. But within a few minutes was able to find a possible closer match. It took a while to conclusively prove the additional match but it turned out we were also 4th cousins.
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