Board Thread:Speculation House/@comment-4830106-20140905003518/@comment-4830106-20140905004236

Well, Cinder's age is still very ambiguous to us, due to the art style. I'm guessing that if she looks young enough in-universe to pass for a student, she probably isn't old enough to be Yang's mother. Unless she discovered immortality and became evil, anyway. But that's unlikely.

I hope.