Tag this record Other Last Name Clifford Born / Died Birth Date: n.d.Death Date: 1403 Parents Mother: Mortimer, Catherine de ( - 1369)Father: Beauchamp, Thomas de (1313 - 1369) Marriages/Other Unions Clifford, Roger de (1333 - 1389)Type: marriageUnion began: exactly Union ended: exactly Siblings Male Beauchamp, Guy de ( - 1360) Beauchamp, Thomas de (1337 - 1401) Beauchamp, Reinburn de ( - 1361) Beauchamp, William de (1343 - 1411) Beauchamp, Roger de ( - 1361) Female Beauchamp, Phillipa de ( - 1386) Beauchamp, Alice de ( - ) Beauchamp, Joan de ( - ) Beauchamp, Isabel de ( - ) Beauchamp, Margaret de ( - ) Offspring From Clifford, Roger de (1333 - 1389) Male offspring: Clifford, Thomas de (1363 - 1391) 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.