| Henry de LOUVAIN & PERCY Born: ABT 1165 ?; took the name Percy Died: 1198 | |||||
| William de PERCY Born: ABT 1185 Alnwick, Northumberland, ENG Died: 28 JUL 1245 | |||||
| *Isabel MAUDUIT Born: 1220 Hanslope, Buckinghamshire, ENG Died: AFT 7 JAN 1267/1268 | |||||
| William de Percy Born: UNKNOWN Died: | |||||
| Ellen BALLIOL Born: ABT 1205 Died: 1281 | |||||
| William Marshall Born: 1146 Pembroke, Pembrokeshire, Wales Died: 14 MAY 1219 Caversham Manor, England | |||||
| Isabel FitzGilbert de Clare Born: 1172 Pembroke, Wales Died: 1220 Pembroke, Wales | |||||