MaleWilliam De Ros III Baron Ros |
| Birth | Abt 1255 | Helmsley Castle North Riding,Yorkshire,England |
| Death | Bef 16 Aug 1316 | of, Youlton, Yorkshire, England |
| Burial | , Kirkham, Yorkshire, England |
|
| Marriage | 1287 | |
| Father | Robert IV, 1ST Baron DE Ros, OF BELVOIR,MP | F847 Group Sheet | |
| Mother | Isabel de Albini, Heiress of Belvoir | F847 Group Sheet | |
FemaleMaude Matilde de Vaux |
| Birth | Abt 1258 | Freiston,Boston,England |
| Death | Bef 1316 | PENTNEY, PRIORY, NORFOLK |
| Burial | ||
| Father | JOHN DE VAUX, of Lincoln | F848 Group Sheet | |
| Mother | Sibel De Longchamps FitzRoger | F848 Group Sheet | |
FemaleAgnes DE Ros |
| Birth | 1280 | Helmsley Castle,North riding,Yorkshire,England. |
| Death | Bef 25 Nov 1328 | |
| Burial | ||
| Spouse | Baron Pain 1st Baron de Tibetot, , Sir | F1018 | |
| Marriage | Bef 3 Sep 1311 | |
| Spouse | Thomas de Vere, , Sir Knight | F1420 | |
| Marriage | ||
MaleWilliam IV 2nd Baron De Ros |
| Birth | Abt 1285 | Helmsley Castle, Belvoir, Leichestershire, England |
| Death | 3 Feb 1342/1343 | Helmsley Castle, North Riding, Yorkshire, England |
| Burial | Kirkham, Yorkshire, England |
|
| Spouse | Margery De Badlesmere, Baroness Ros | F846 | |
| Marriage | Bef 25 Nov 1316 | of, Castle Wark, Northumberland, England |
FemaleMargaret De ROS OR ROSSE |
| Birth | Abt 1305 | of, Youlton, Yorkshire, England |
| Death | Bef 1345 | , Great Musgrave, Westmoreland, England |
| Burial |