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Do Double relationships affect DNA matching?

Replies: 6

Re: Do Double relationships affect DNA matching?

Posted: 1380317529000
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... 1344125777000 
nathan_mn 1344147239000 
ChuckSexton98 1379699596000 
oma2004 1379783450000 
Robert Staffo... 1379786509000 
twotzus 1379869252000 
LKBow 1380317529000 
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