Jack Nicholson thought he and his sister were raised by his mother. That is until a reporter uncovered a shocking secret that they shared with the actor when he was 37: His mother was actually his grandmother, and the woman he thought was his sister was his real mom.
Despite such deception, Nicholson said he had no hard feelings about the way things went down:
“Show me any women today who could keep a secret, confidence, or an intimacy to that degree. You got my kind of gal.”