She wasn't born to kill the Doctor (that's what the Silence wanted her to do) but no one's born shackled to a life thread of violence. She was born to be loved by her parents and by the Doctor.<--Yes! I love River Song.
The Time Lords are the Weeping Angels theory. and This Was His Mom theory. I was actually thinking that that was his mom the first time I saw this episode, but I never thought of the weeping angels one.