Board Thread:Speculation House/@comment-68.186.83.101-20130601225528/@comment-4010415-20151230060713

121.223.29.65 wrote: its simple

Qrow + Summer = Ruby TaiYang + Raven = Yang

they are cousins Dude, we've been told outright that Ruby and Yang are half-sisters. The writers have said so themselves. Taiayng is the father of both Ruby and Yang.