 | 3rd Earl of Hereford Richard de Clare (1153-1217) 
|
| 1st Earl of Pembroke William Marshal ( -1219) |
| William Marshal (1190-1231) |
 | Maud Marshal (1193-1248)  |
| Eva Marshal (1194-1245) |
| 4th Earl of Hertford Gilbert de Clare (1180-1230)
|
| Countess Isabel Marshal (1200-1240)
|
| Agnes de Clare (1218- ) |
| Countess of Devon Amice de Clare (1220-1287) |
| 6th Earl of Gloucester Richard de Clare (1222-1262) |
| Lady of Annandale Isabel de Clare (1226-1264) |
| William de Clare (1228-1258) |
| Gilbert de Clare (1229- ) |
