Board Thread:General Discussion/@comment-26099499-20150226151824/@comment-3257939-20150317000454

1. Not entirely true. If Yang's mother is actually Qrow's sister then it's entirely possible that they share the same surname thus explaining why Yang has her father's surname (Xiao Long) while Raven has her mother's (Branwen) just like Ruby has her biological mother's last name (Rose).

2. So you're saying that Yang is not 17 years old but rather +30 years old? That makes sense considering the fact that their faces are exactly the same despite one is way older than the other.

3. This makes no difference, especially since you bring up the idea that it's likely also shared by Qrow which means Raven can also be a sister.

4. Whoever said that RWBY had ultimate good storytelling? If we judge the quality of RWBY's storytelling based on the bully arc then your argument is invalid.

I've seen this many times and the result is always the same: Raven can be Yang's mother or twin sister. Both theories are valid.