Real-estate developer Jeffrey Disick, father of U.S. television personality Scott Disick, has died at the age of 63, People.com reported. The cause and place of death were not disclosed in Sunday's report. The elder Disick's wife, Bonnie, died in October. Scott Disick, 30, their only child, and his girlfriend, Kourtney Kardashian, have two children -- son Mason, 3, and daughter Penelope, 1.