John Owen Lowe, Rob Lowe's 27-year-old son ... that even as he became more cognizant of his father's fame, his parents, Rob and Sheryl Berkoff, never sat down with him and his brother Matthew ...

Rob Lowe was once an “über-nerd,” said Vanessa ... He grew up in Dayton, Ohio, and after his parents divorced, in his early teens, Lowe’s mother moved the family to swanky Malibu, Calif.