Board Thread:General Discussion/@comment-29313623-20180312154643/@comment-26018514-20180313030906

SomeoneYouUsedToKnow wrote: ... Third of all, define "tribe blood in their veins". For all we know, Raven and Qrow were adopted into the tribe, not actually born from a couple there.

They were adopted, I'm pretty sure it was in one of Raven's chats with Qrow or the conversation about their "Ancestral home" that Yang tried finding her at.