People Stephanie Prepon Stephanie Prepon Stephanie Prepon from . About Family Sister Stephanie Prepon has 1 sibling. American actress Laura Other facts about Stephanie Prepon Family name Prepon. Show people with the surname Prepon Given name Stephanie Stephanie Prepon's Sister Laura Prepon, 45 Comments There are no comments yet. Enter your name here: Enter your email here: Enter your message here: Your message is required. Markdown cheatsheet. Submit
