 Father | Male6th Baron of Thirsk William de Mowbray |
| Born | 1173 | Thirsk Castle, Thirsk, Yorkshire, England  |
| Died | 1224 | Isle of Axholme, Epworth, Lincolnshire, England |
| Buried | 1224 | Furness Abbey, Dalton-in-Furness, Cumbria, England |
| Married | ||
| Father | 5th Baron Thirs Nigel de Mowbray | F4917 Group Sheet | |
| Mother | Mabel de Clare | F4917 Group Sheet | |
 Mother | FemaleAvice d'Aubigny |
| Born | Arundel Castle, Arundel, Sussex, England |
|
| Died | ||
| Buried | ||
| Father | 3rd Earl of Arundel William d'Aubigny | F4414 Group Sheet | |
| Mother | Mabel of Chester | F4414 Group Sheet | |
| Child 1 | Male + 6th Baron Mowbray Roger de Mowbray |
| Born | Abt May 1220 | Thirsk Castle, Thirsk, Yorkshire, England |
| Died | 1266 | Yorkshire, England |
| Buried | ||
| Spouse | Maud Beauchamp | F4517 | |
| Married | ||
| Child 2 | Male 5th Baron Mowbray Nigel de Mowbray |
| Born | Thirsk Castle, Thirsk, Yorkshire, England |
|
| Died | ||
| Buried | ||
| Spouse | Mathilda de Camvile | F4920 | |
| Married | ||
