- Aft 1266
 | William DE PLUMPTON Abt 1297-1362 |
| William DE PLUMPTON | |
| B: | Abt 1297 |
| , , England | |
| D: | 1362 |
| Alice BEAUFITZ Bef 1309-Yes, date unknown |
| Alice BEAUFITZ | |
| B: | Bef 1309 |
| M: | Bef 1322 |
| D: | Yes, date unknown |
| 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-Yes, date unknown |
| Eustace FITZHUGH | |
| B: | 1268 |
| Inganthrope, , ENG | |
| D: | Yes, date unknown |
| 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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