Board Thread:General Grimm Discussion/@comment-76.30.64.208-20141207030619/@comment-1509826-20150420192621

Unverganglich wrote:

And 'technically' all humans are descendants of Adam and Eve. Grimms are no more related to each other than Wesen are to their own types; they're still born to different family lines, which can contribute to a good amount of distinction between them. They just share a similar gene.

No, they legitemently all are related. Its one of the points of the show. Every Grimm can trace there ancestory back to a common figure.