User blog comment:Zathronas/Analysis by an author: RWBY Yang Xiao Long/@comment-186.188.98.58-20131202215725/@comment-186.188.98.58-20131203032246

I think I didn't explain myself correctly; what I have is a headcanon which explanation would turn out to be similar to a fanfic, so that's why I don't want to elaborate too much about it. In a nutshell, they grew together as sisters, but knowing that Ruby is adopted; what they don't know is that they are in fact blood related, as confirme by Monty