The wife of "Grey's Anatomy" star Patrick Dempsey has given birth to twin boys.

Darby Galen and Sullivan Patrick Dempsey were born Thursday in Los Angeles, the actor's representative told People magazine.

Patrick and Jillian Dempsey also have a 5-year-old daughter, Talula.

Dempsey, 41, plays Dr. Derek Shepherd, known as "Dr. McDreamy" to his female colleagues on the hit ABC show.