William de MONTFITCHET (RIN: 25486), son of Roger de MONTFITCHET , . Margaret de CLARE (RIN: 25487), daughter of Gilbert III DE CLARE and Isabella MARSHALL , .


Children of William de MONTFITCHET and Margaret de CLARE are:
1. Gilbert de MONTFITCHET (RIN: 25485) See Gilbert de MONTFITCHET & ?