1254 - 1297 (43 years)
| 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 |
| 8th Baron Mowbray John de Mowbray | |
| B: | 04 Sep 1286 |
| England | |
| D: | 23 Mar 1322 |
| York, Yorkshire, England | |
| Aline de Braose | |
| B: | 1291 |
| England | |
| D: | Bef 20 Jul 1331 |
| Bramber, Sussex, England | |
|
| 7th Baron Mowbray Roger de Mowbray | |
| B: | 1254 |
| Yorkshire, England | |
| D: | 21 Nov 1297 |
| Ghent, Belgium | |
| Rose de Clare | |
| B: | Abt 1255 |
| England | |
| D: | Aft 1316 |
| Hovingham, Yorkshire, England | |
