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Do Double relationships affect DNA matching?

Replies: 6

Re: Do Double relationships affect DNA matching?

Posted: 27 Sep 2013 3:32PM GMT
Classification: Query
In our family we believe that my great grandparents on my paternal grandmother's side were cousins.

I have a second cousin on FTDNA from this line . Her maternal grandfather and my paternal grandmother
were siblings. we share over 309cM's

FTDNA gave a relationship range of first-third cousin and suggested a second cousin relationship. 309 is high for second cousin, so I' m not sure how they arrived at that.


SubjectAuthorDate Posted
Quentin Robin... 5 Aug 2012 12:16AM GMT 
nathan_mn 5 Aug 2012 6:13AM GMT 
ChuckSexton98 20 Sep 2013 5:53PM GMT 
oma2004 21 Sep 2013 5:10PM GMT 
Robert Staffo... 21 Sep 2013 6:01PM GMT 
twotzus 22 Sep 2013 5:00PM GMT 
LKBow 27 Sep 2013 9:32PM GMT 
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