Board Thread:Speculation House/@comment-25266931-20151209055514/@comment-4010415-20151210002645

We don't know if Ruby knows that she and Yang are half-sisters. If she does know, then we don't know if she knows that Yang has been searching for her real mother.

If it was a dream, then Yang might keep it to herself, so she doesn't bother anyone about it. I mean, she also didn't mention Raven to anyone at the end of Breach (Ruby meant Cinder when she said "masked lady". Remember Cinder was wearing a masquerade mask when she went to the CCT).