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Male William FitzWilliam Click to view William FitzWilliam in the family tree

William was born after 1112.  William's father is William FitzGerald de Windsor and his mother is UNKNOWN Marrio.  His paternal grandparents were Geraldus FitzOther de Windsor and Nesta verch Rhys of Deheubarth. He has a brother and a sister, named Otho and Isabel.  He is the oldest of the three children.


William's first family with Ela (Adela) Plantagenet



William's second family with Alina de Clare


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