Son of Kirk and Diana Douglas; Married to Diandra Morrell Luker.
Douglas was born in New Brunswick, the first child of actor Kirk Douglas and Bermudian-born actress Diana Dill . His paternal grandparents were Jewish immigrants from Gomel in Belarus (at that time a part of the Russian Empire ). Douglas's maternal grandfather, Lieutenant Colonel Thomas Melville Dill , served as Attorney General of Bermuda and was commanding officer of the Bermuda Militia Artillery. Douglas has a younger brother,Joe Douglas (born 1947), and two paternal half-brothers, Peter(born 1955) and Eric (1958–2004), from stepmother Anne Buydens.