1270 - 1325 (55 Jahre)
| Baron Ralph de Monthermer 1270-1325 |
| Baron Ralph de Monthermer | |
| *: | cir 1270 |
| +: | 5 Apr 1325 |
| Grey Friars Church in Salisbury | |
 | Isabel le Despenser 1290-1334 |
| Isabel le Despenser | |
| *: | cir 1290 |
| oo: | spätestens 20 Nov 1318 |
| +: | 1334 |
| Prinzessin Johanna (Joan) von England (Plantagenêt) | |
| *: | 1272 |
| Schlachtfeld vor Akkon, Israel | |
| oo: | 1297 |
| +: | 23 Apr 1307 |
| Clare Castle, Suffolk | |
