Tag this record Born / Died Birth Date: 1376-00-00Death Date: 1409-00-00 Parents Mother: Lionel, Philippa (1355 - 1381)Father: Mortimer, Edmund de (1351/2 - 1381) Siblings Male Mortimer, Roger de (1374 - 1398) Female Mortimer, Elizabeth de (1370/71 - 1417) Mortimer, Philippa (1375 - 1401) Titles Details of Offices Bibliographic Sources View a list of abbreviations. Oxford Dictionary of National Biography.