 Father | Male6th Baron Mowbray Roger de Mowbray |
| Born | Abt May 1220 | Thirsk Castle, Thirsk, Yorkshire, England  |
| Died | 1266 | Yorkshire, England |
| Buried | ||
| Married | ||
| Father | 6th Baron of Thirsk William de Mowbray | F4916 Group Sheet | |
| Mother | Avice d'Aubigny | F4916 Group Sheet | |
 Mother | FemaleMaud Beauchamp |
| Born | Abt 1229 | Bedford, Bedfordshire, England |
| Died | ||
| Buried | ||
| Father | William Beauchamp | F4518 Group Sheet | |
| Mother | Ida Longesp | F4518 Group Sheet | |
| Child 1 | Male + 7th Baron Mowbray Roger de Mowbray |
| Born | 1254 | Yorkshire, England |
| Died | 21 Nov 1297 | Ghent, Belgium |
| Buried | Abt 21 Nov 1297 | Fountains Abbey, Yorkshire, England |
| Spouse | Rose de Clare | F4479 | |
| Married | ||
