- Aft 1266
 | William De Plumpton, * Abt 1297-1362 |
| William De Plumpton, * | |
| B: | Abt 1297 |
| , , England | |
| D: | 1362 |
| Christiana Mowbray, * Abt 1305-1362 |
| Christiana Mowbray, * | |
| B: | Abt 1305 |
| Of Plumpton, , ENG | |
| M: | Abt 1322 |
| Of Plumpton, , ENG | |
| D: | 1362 |
| Lucy Roos, * Bef 1280-Yes, date unknown |
| Lucy Roos, * | |
| B: | Bef 1280 |
| D: | Yes, date unknown |
 | Sir Robert De Plumpton, * Abt 1268-1325 |
| Sir Robert De Plumpton, * | |
| B: | Abt 1268 |
| Of Plumpton, , ENG | |
| D: | 1325 |
| Of Plumpton, , ENG | |
| William De Ros, * Abt 1245-Bef 1310 |
| William De Ros, * | |
| B: | Abt 1245 |
| D: | Bef 28 May 1310 |
| Eustace Fitzhugh, * 1268- |
| Eustace Fitzhugh, * | |
| B: | 1268 |
| Inganthrope, , ENG | |
| Lucy Fitzpiers, * -Aft 1266 |
| Lucy Fitzpiers, * | |
| D: | Aft 1266 |
| William De Ross, * Bef 1200-Yes, date unknown |
| William De Ross, * | |
| B: | Bef 1200 |
| , Yorkshire, ENG | |
| D: | Yes, date unknown |
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