Billy Crudup [IMDB bio] is Mary-Louise Parker's former boyfriend. The 34-year-old Tony Award-winning American actor dated Weeds actress from 1996 to November 2003. Billy Crudup impregnated Mary-Louise Parker in 2003, but left her while Parker was seven months pregnant. Their son William Atticus Parker, was born on January 7, 2004. The picture above shows 4-year-old William Atticus was taken for a stroll around Manhattan on Tuesday April 8. Oh, just a remind, William's mother Mary-Louise Parker has just broken off the engagement with boyfriend Jeffrey Dean Morgan.
