Board Thread:Speculation House/@comment-24.247.91.107-20140511154823/@comment-10380701-20140907061513

Actually, the accurate statement is that Cinder is not anyone's mother.

However, that doesn't mean that Cinder isn't related to them.

Attention to Monty's wording is key to many of the theories here on the wikia.

That said, I prefer Cinder not being related to any member of RWBY since I despise the "X is actually someone's relative afterall!".