1291 - Bef 1331 (< 40 years)
| Sir William Plumpton | |
| B: | Abt 1366 |
| Plumpton, Yorkshire, England | |
| D: | 08 Jun 1405 |
| Spofforth, Yorkshire, England | |
| Alice Gisburn | |
| B: | Abt 1364 |
| England | |
| M: | Abt 1382 |
| York, Yorkshire, England | |
| Sir Robert Plumpton | |
| B: | 1341 |
| Plumpton, Yorkshire, England | |
| D: | 19 Apr 1407 |
| England | |
| Isabel le Scrope | |
| B: | 24 Aug 1337 |
| Clifton, Yorkshire, England | |
| D: | 18 Dec 1405 |
| Plumpton, Yorkshire, England | |
| Christiana de Mowbray | |
| B: | Abt 1305 |
| Kirklington, Yorkshire, England | |
| D: | 25 Dec 1362 |
| Holland, Lancashire, England | |
| William Plumpton | |
| B: | Abt 1295 |
| Plumpton, Yorkshire, England | |
| D: | 1362 |
| Berwick-Upon-Tweed, Northumberland, England | |
| John de Mowbray | |
| B: | 29 Nov 1310 |
| Yorkshire, England | |
| D: | 1361 |
| Alexander de Mowbray | |
| B: | Abt 1314 |
| Yorkshire, England | |
| D: | Abt 1391 |
| Aline de Braose | |
| B: | 1291 |
| England | |
| D: | Bef 20 Jul 1331 |
| Bramber, Sussex, England | |
| 8th Baron Mowbray John de Mowbray | |
| B: | 04 Sep 1286 |
| England | |
| D: | 23 Mar 1322 |
| York, Yorkshire, England | |
