Laura Helene Prepon was born on March 7, 1980, in Watchung, New Jersey. She is the daughter of Marjorie (Coll) and Michael Prepon. Her father died in 1993, when she was 13 years old. Laura is the youngest of five children--she has a brother named Brad and three sisters: Danielle, Jocelyn, and Stephanie. She attended Watchung Hills Regional High ...