Tag this record Born / Died Birth Date: n.d.Death Date: n.d. Parents Mother: Dacre, Joan (1424 - 1455)Father: Clifford, Thomas de (1414 - 1455) Siblings Male Clifford, John (1435 - 1461) Clifford, Thomas ( - ) Clifford, Robert ( - ) Female Clifford, Maud ( - ) Clifford, Elizabeth ( - ) Clifford, Anne ( - ) Clifford, Joan ( - ) Clifford, Margaret ( - ) Titles Details of Offices Bibliographic Sources View a list of abbreviations. Oxford Dictionary of National Biography.