People.com Celebrity Parents Patrick Dempsey's twins Darby and Sullivan out with mom in LA By Staff Author Published on January 14, 2008 05:47 AM Share Tweet Pin Email Actor Patrick Dempsey‘s wife Jillian heads out for a walk with her fraternal twin sons, Darby Galen and Sullivan Patrick, 11 months, in LA on Sunday. One of the twins (we’re not sure who’s who) insisted on sticking his head out from underneath the cover. Photos by Flynet. The boys ride in Combi’s Twin Savvy LX in black ($300), topped with a Protect-a-Bub sunshade in black ($55). Two more in the extended post.