HP Spolier-y Stuffs, actually just theorizing...

[gilathief]

Harry Potter Fans on ye olde f-list, check out this post by alegriagraciela for some interesting speculation on the Black Family Tree

Comments

[ciara_belle]

I think it's possible. The Weasleys, Potters, Longbottoms and Blacks all seem to be fairly well-established old wizarding families, and I do remember it being pointed out that they're pretty much all related.

I want to see the whole tree!