FemaleMary De Ros, [BARONESS BREWOS |
| Birth | Abt 1253 | Helmsley Castle, North Riding Yorkshire, England |
| Death | 23 May 1326 | |
| Burial | ||
| Father | Robert IV, 1ST Baron DE Ros, OF BELVOIR,MP | F847 Group Sheet | |
| Mother | Isabel de Albini, Heiress of Belvoir | F847 Group Sheet | |