Abt 1135 -
| Sir William de Roos of Ingmanthorpe Sir William de Ros Abt 1244-Bef 1310 |
| Sir William de Roos of Ingmanthorpe Sir William de Ros | |
| B: | Abt 1244 |
| England | |
| D: | Bef 28 May 1310 |
| York, Yorkshire, England | |
 | Eustache FitzRalph Abt 1240-Bef 1309 |
| Eustache FitzRalph | |
| B: | Abt 1240 |
| Ingmanthorpe, Yorkshire, England | |
| M: | 1268 |
| England | |
| D: | Bef 1309 |
| Yorkshire, England | |
| 1st Baron de Ros Robert de Ros | |
| D: | 1285 |
| Lucy Fitzpiers 1204-Aft 1266 |
| Lucy Fitzpiers | |
| B: | 1204 |
| Helmsley, Yorkshire, England | |
| D: | Aft 1266 |
| Yorkshire, England | |
| Sir William de Ros Bef 1200-Abt 1265 |
| Sir William de Ros | |
| B: | Bef 1200 |
| Helmsley, Yorkshire, England | |
| D: | Abt 1265 |
| Kirkham, Yorkshire, England | |
| Piers FitzHerbert Abt 1163-Bef 1235 |
| Piers FitzHerbert | |
| B: | Abt 1163 |
| Breconshire, Wales | |
| D: | Bef 06 Jun 1235 |
| Herbert FitzHerbert Abt 1135- |
| Herbert FitzHerbert | |
| B: | Abt 1135 |
| Breconshire, Wales | |
