Board Thread:Speculation House/@comment-3257939-20140108053755/@comment-7472785-20140219081654

Well, an uncle can of course be the brother of either of your parents - but also the husband of an aunt.

As all we know of Qrow is that he is Ruby's uncle - and here we assume that this is meant in the real relative sense - we cannot safely conclude on his grade of relation to Ruby, respectively to her mother. (And I haven't even touched on the phenomenon of great-uncles, which colloquially also are simply called uncle)