Patrick Dempsey and his wife Jillian welcomes twin baby boys on Thursday, February 1,2007. The boys were named Darby Galen and Sullivan Patrick. Darby and Sullivan are going home to 4 year-old big sister, Talula.

Dempsey, who plays, Dr. Derek “McDreamy” Shepherd on Grey’s Anatomy is not the only actor on set with twins. Co-star Justin Chambers, who has a twin brother, has twin girls Kaila and Maya. Chambers,who star as Dr. Alex Karev, and his wife,Keisha, have 5 children.