Maggie Gyllenhaal Biography
Maggie Gyllenhaal is Jake Gyllenhaal's sister and Peter Sarsgaard's fiance (they have dated since 2002). She's building a solid career for herself, most recently appearing in The Dark Knight along with Christian Bale and the late Heath Ledger. Maggie Gyllenhaal is also mom to the adorable baby Ramona. What's not to like?