Matilda Maud Marshall

↓→ Matilda Maud Marshall B 1194 in Pembroke, Pembrokeshire, Wales D 27 Mar 1248 in Tintern Abbey, Monmouthshire, England	↓→ William Marshall B ABT 1146 in Pembroke, Pembrokeshire, Wales D 14 May 1219 in , , England M 1189	↓→ John Fitzgilbert Marshall B ABT 1105 in Pembroke, Pembrokeshire, Wales D 1165 in Salisbury, Wiltshire, England M	↓→ Gilbert Giffard Marshall B D M

		↓→ Sibyl Deveraux B in Pembroke, Pembrokeshire, Wales D Jun 1147 in Pembroke, Pembrokeshire, Wales

	↓→ Isabella de Clare B ABT 1172 in Pembroke, Pembrokeshire, Wales D 1220 in Pembroke, Pembrokeshire, Wales	↓→ Richard Strong Bow de Clare B 1130 in Tunbridge Castle, Kent, England D 20 Apr 1176 in Dublin, Leinster, Ireland M	↓→ Gilbert FitzGilbert de Clare B 21 Sep 1100 in Tunbridge Castle, Kent, England D 1148 M
			↓→ Isabel de Beaumont B D
		↓→ Aoife MacMorough B in , Leinster, Ireland D	↓→ Dermot MacMorough B D May 1171 in , , Ireland M
			↓→ More O'Toole B D