Board Thread:Legitimate Canon Questions/@comment-25044452-20140703201309/@comment-25178327-20140704012421

Jestermonkey4u wrote: It would be sort of crazy IF Malia didn't turn out to be his daughter, I mean I don't recall if Lydia actually got the name or if she just assumed that the child Talia removed from Peter's memory was her. Imo it is Malia until proven otherwise but it would make a surprising twist if it happened. Yeah, I've also wondered that....

Lydia just took a good guess.