Tag this record Other Last Name Wentworth Born / Died Birth Date: 1564-07-01Death Date: 1583-00-00 Parents Mother: Cooke, Mildred (1526 - 1589)Father: Cecil, William (1520 - 1598) Siblings Male Cecil, Robert (1563 - 1612) Female Cecil, Anne (1556 - 1588) Titles Details of Offices Bibliographic Sources View a list of abbreviations. Alford, Stephen. Burghley: William Cecil at the Court of Elizabeth. London: Yale UP, 2008 Oxford Dictionary of National Biography.