 Father | Male8th Baron Mowbray John de Mowbray |
| Born | 04 Sep 1286 | England  |
| Died | 23 Mar 1322 | York, Yorkshire, England |
| Buried | Abt 23 Mar 1322 | Fountains Abbey, Yorkshire, England |
| Married | ||
| Father | 7th Baron Mowbray Roger de Mowbray | F4479 Group Sheet | |
| Mother | Rose de Clare | F4479 Group Sheet | |
 Mother | FemaleAline de Braose |
| Born | 1291 | England |
| Died | Bef 20 Jul 1331 | Bramber, Sussex, England |
| Buried | ||
| Father | 2nd Baron Braose William de Braose | F4915 Group Sheet | |
| Mother | ||
| Child 1 | Female + Christiana de Mowbray |
| Born | Abt 1305 | Kirklington, Yorkshire, England |
| Died | 25 Dec 1362 | Holland, Lancashire, England |
| Buried | ||
| Spouse | William Plumpton | F4471 | |
| Married | ||
