I have a daughter?

You know the story of their journey but did you know before sam went to college he had an affair. Well little did he know he had a child and her name is Sofia Winchester she's about 13 yrs old and her only family she's ever known has died right in front of her. But social services finds out she still has her biological dad so they gave him a call and he's on his way now to get her. Does he tell her about the family business or does he keep her oblivious to it?
(Book 1 completed)