I suspect my paternal great grandparents were siblings or half siblings. What can I look for in my DNA matches to figure this out? I can find three great great grandparent couples on my paternal line, but I can't find that 4th 2 Great grandparent couple.
I suspect my paternal great grandparents were siblings or half siblings. What can I look for in my DNA matches to figure this out? I can find three great great grandparent couples on my paternal line, but I can't find that 4th 2 Great grandparent couple.