Dermot MacDermot British diplomat (1906-1989) (1906–1989) Parents Caroline Mary Whyte Charles Edward MacDermot, The MacDermot, Prince of Coolavin Children Hugh Timothy MacDermot Niall Anthony MacDermot Conor Victor MacDermot Siblings Charles John MacDermot, The MacDermot, Prince of Coolavin Moira Madeleine MacDermot Hugh Maurice MacDermot Ruth Mary MacDermot Basil Robert MacDermot Cyril MacDermot Partners Betty Steel