William FitzGerald

William's father was Gerald FitzWalter and his mother was Nest verch Rhys.  His maternal grandparents were Rhys ap Tudor Mawr and Gwladus verch Rhiwallon. He had two brothers and a sister, named Maurice, David and Angharad. He had two half-brothers and a half-sister, named Henry, Robert and Elizabeth.  He died in 1173.