Intriguing. An alleged white ancestor of slave owners could be secretly hoping the DNA showed otherwise, and that s/he was in no way related to someone black. But I can be cynical. ... Actually, on 23andme there's a blog about whites interested in their possible (distant) African ancestry. So yeah, I can be cynical.
3b/c?

Ringlet Fandango! ... Where curly ideas roam free

* 2 blogs this week: Pictures of My (Sorta) Big Chop! AND Turn a Nightmare Product into a Dream* My Albums