William FITZWILLIAM, BARON
He married Anne Sidney Abt 1543 at of Penshurst, Kent, England . Anne Sidney was born at Penshurst, Kent, England Abt 1527 daughter of William Sidney and Anne Pagenham .
They were the parents of 4
children:
Mabel Fitzwilliam
born Abt 1550.
Phillippa Fitzwilliam
born Abt 1553.
Margaret Fitzwilliam
born 1558.
William Fitzwilliam, Knight
born Abt 1563.
William Fitzwilliam, Baron died 22 Jun 1599 at Milton, Northamptonshire, England .