Isabel de Clare, 4th Countess of Pembroke, was born 1172 in Pembrokeshire, Wales, United Kingdom to Richard de Clare, 2nd Earl of Pembroke (1130-1176) and Aoife MacMurrough (1145-1188) and died 1220 Pembrokeshire, Wales, United Kingdom of unspecified causes. She married William Marshal, 1st Earl of Pembroke (1146-1219) August 1189 JL . Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, Rollo of Normandy (860-932)/s.


Offspring of William Marshal, 1st Earl of Pembroke (1146-1219) and Isabel de Clare, 4th Countess of Pembroke
Name Birth Death Joined with
William Marshal, 2nd Earl of Pembroke (1190-1231) 1190 6 April 1231 Alice de Betun (c1202-c1216)
Eleanor of England (1215-1275)
Richard Marshal, 3rd Earl of Pembroke (1191-1234)
Maud Marshal (1192-1248) 1192 27 March 1248 Hugh Bigod (c1182-1225)
William de Warenne (1166-1240)
Gilbert Marshal, 4th Earl of Pembroke (1197-1241)
Walter Marshal, 5th Earl of Pembroke (c1199-1245)
Isabel Marshal (1200-1240) 9 October 1200 17 January 1240 Gilbert de Clare, 5th Earl of Hertford (1180-1230)
Richard Plantagenet, 1st Earl of Cornwall (1209-1272)
Sibyl Marshal (c1201-1245) 1209 1238 William de Ferrers, 5th Earl of Derby (c1193-1254)
Eva Marshal (1203-1246) 1203 Pembroke Castle, Pembrokeshire, Wales, United Kingdom 1246 William de Braose, 10th Baron Abergavenny (c1197-1230)
Anselm Marshal, 6th Earl of Pembroke (c1208-1245)
Joan Marshal (1210-1234)

Footnotes (including sources)

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