| Earl William Plantagenet de Warenne & Countess Maud Marshall | |
| Husband | Wife |
| Earl William Plantagenet de Warenne | Countess Maud Marshall |
|
b: 1166 Surry, England d: 27 May 1240 |
b: 1190 of Pembroke, Wales d: 27 Mar 1248 |
| Parents | |
| Hamelin Plantagenet (1130 - 1202) | Earl William Marshall (1144/1146 - 1219) |
| Isabel de Warenne (1137 - 1199) | Isabel Fitzgilbert de Clare (~1172 - 1220) |
| Grand Parents | |
| Count Geoffrey V "le Bon" - "The Handsome" Plantagenet (1113 - 1151) | John Marshall (~1126 - 1164) |
| Concubine Plantagent (~1112 - ) | Sybil de Evereaux |
| Earl William de Warenne III (1110 - 1148) | Richard "Strongbow" de Clare (~1130 - ~1176) |
| Adela Talvas (~1120 - 1174) | Aoife of Leinster ( - >1186) |
| Children (Family Detail) | |
| Earl John Plantagenet de Warren | - b: about 1231 Warren, Sussex, England |