| William Marshall Born: 1146 Pembroke, Pembrokeshire, Wales Died: 14 MAY 1219 Caversham Manor, England | |||||
| Sibyl Marshall Born: 1204 Pembroke, Pembrokeshire, Wales Died: 27 APR 1245 England | |||||
| Isabel FitzGilbert de Clare Born: 1172 Pembroke, Wales Died: 1220 Pembroke, Wales | |||||