Gilbert FitzGilbert de Clare

↓→ Gilbert FitzGilbert de Clare B 21 Sep 1100 in Tunbridge Castle, Kent, England D 1148	↓→ Gilbert FitzRichard de Clare B 1065 in Clare, Suffolk, England D 1117 M	↓→ Richard FitzGilbert de Clare B 1024 in Bienfaite, Normandy, France D 1090 in , Huntingdonshire, England M	↓→ Gilbert de Brionne B 1000 in , Normandy, France D 1040 in Brionne, Normandy, France M

		↓→ Rohese Giffard B 1034 in Longueville, Normandy, France D 1117 in Warwick, Berkshire, England	↓→ Walter Giffard B 1010 in Longueville, Normandy, France D 1084 in Longueville, Normandy, France M
			↓→ Agnes Flaitell B 1014 in Longueville, Normandy, France D 1108 in , , France
	↓→ Adeliza de Clermont B 1058 in , Northamptonshire, England D 1117 in , , England	↓→ Hugh de Creil B 1030 in Clermont, Oise, France D 1101 in Clermont, Oise, France M ABT 1052	↓→ Renaud de Creil B D M
			↓→ Ermengardis de Clermont B D
		↓→ Marguerite Montdidier de Roucy B 1035 in Montdidier, Somme, France D ABT 1110 in Clermont, Oise, France	↓→ Hildouin Iv Montdidier de Rameru B 1010 in Montdidier, Somme, France D 1063 M 1031
			↓→ Adele Alix de Roucy B 1014 in Roucy, Aisne, France D 1063