Tag this record Born / Died Birth Date: 1358Death Date: 1388 Parents Mother: Mormaer, Margaret (d. before 22 Nov. 1393)Father: Douglas, William (ca. 1330 - ca. 1384) Primary Title Earl of Douglas Titles Earl of DouglasAssumed: 1384Vacated: 1388 Earl of MarAssumed: 1384Vacated: 1388 Details of Offices Bibliographic Sources View a list of abbreviations. The Dictionary of National Biography. 1882–1901 (66 vols); 1908–9 (28 vols). 2 vols. London: Oxford UP, 1975
