Tag this record Born / Died Birth Date: 1312-09-17Death Date: 1333-06-06 Parents Marriages/Other Unions Lancaster, Maud of ( - 1377)Type: marriageUnion began: n.d.Union ended: n.d. Offspring From Lancaster, Maud of ( - 1377)Female offspring: Burgh, Elizabeth de (1332 - 1363) Primary Title 4th Earl of Ulster Titles 4th Earl of UlsterAssumed: 1326Vacated: 1333 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.