Kevin Costner and his wife, Christine had a 7lbs 14 oz baby boy May 6, 2007 at 10:30 p.m. in Los Angeles, California. The new bundle of joy, Cayden Wyatt Costner, is Christine’s first child. Kevin Costner has four other children: Anne, 22, Lily, 20, Joe, 19, Liam, 10.