Tag this record Born / Died Birth Date: 0-00-00Death Date: 1676-06-18 Parents Mother: O'Brien, Penelope (1622 - 1702)Father: Mordaunt, Henry (1623 - 1697) Siblings Female Mordaunt, Mary (1659 - 1705) Titles Details of Offices Bibliographic Sources View a list of abbreviations. The Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom. 1887–98 (8 vols); 1910–59 (13 vols). 6 vols. Gloucester: Alan Sutton, 1982 Oxford Dictionary of National Biography.