People.com Celebrity Parents Julianna Margulies and Keith Lieberthal take a stroll with Kieran By Staff Author Published on February 4, 2008 06:11 PM Share Tweet Pin Email Actress Julianna Margulies, 41, and her husband Keith Lieberthal take their 2-week-old son Kieran Lindsay for a walk in the West Village, NY, on Saturday, February 2nd. Photo by Ramey. Kieran rides in a Graco SnugRide® Infant Car Seat in Metropolitan ($150) and Bugaboo frame. Clipped to the stroller is a SkipHop Via Messenger in black ($79).