Mildred Sackville Peerage person ID=567748 (b. 1490) Parents Isabel Dyggs Winifred Brydges Richard Sackville Richard Sackville Children Mary Fitzwilliam Thomas FitzWilliam Christopher FitzWilliam Francis FitzWilliam Ellen FitzWilliam Siblings Jane Sackville Mary Sackville Richard Sackville John Sackville Anne Fiennes Thomas Sackville, 1st Earl of Dorset Partners William Fitzwilliam