Tag this record Other Last Name Verdon Born / Died Birth Date: 0-00-00Death Date: 1312-09-18 (Died on either September 17 or 18 [CP]) Parents Mother: Fiennes, Margaret de ( - 1333/4)Father: Mortimer, Edmund de (1252 - 1304) Siblings Male Mortimer, Roger de (1287 - 1330) Female Mortimer, Joan ( - ) Mortimer, Elizabeth ( - ) 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