
| William De Ros, [BARON ROS] | |
| B: | 1255 |
| Of, Hamlake, Yorkshire, England | |
| D: | Bef 16 Aug 1316 |
| Of, Youlton, Yorkshire, England | |
| Maude (Matilde) De Vaux | |
| B: | Abt 1257 |
| Of, Acquitaine, , England | |
| M: | Abt 1300 |
| Of, Youlton, Yorkshire, England | |
| Isabel De Roos | |
| B: | Abt 1256 |
| Robert De Roos | |
| B: | Abt 1275 |
| , Hamlake Castle, , England | |
| D: | 1285 |
| Isabel Albini | |
| B: | Abt 1275 |
| Lucy Roos | |
| B: | Abt 1270 |
| Of Plumpton, Yorkshire, England | |
| D: | Aft 1332 |
| Robert Plumpton | |
| M: | Abt 1295 |
| Of, PLUMPTON, Yorkshire, England | |
| Ivetta (Juetta) De Ros | |
| B: | Abt 1290 |
| Of, Igmanthorp, Yorkshire, England | |
| D: | Bef 1331 |
| Geoffrey Le Scrope, [Sir Knight] | |
| B: | Abt 1273/1281 |
| Of, Masham, Yorkshire, England | |
| M: | Abt 1311 |
| Of, Masham, Yorkshire, England | |
| D: | Dec 1340 |
| William De Ros, [Brn Ingmanthorp | |
| B: | Abt 1244 |
| Ingmanthorpe, England | |
| D: | Bef 28 May 1310 |
| Eustace Fitzhugh | |
| B: | Abt 1268 |
| William De Ross | |
| B: | Abt 1196 |
| , Helmsley, Yorkshire, England | |
| D: | Aft 1246 |
| Lucia Fitzpiers | |
| B: | Abt 1250 |
| Robert De Ross | |
| B: | Abt 1194 |
| Of, WARD, Northumberland, England | |
| D: | 20 Apr 1274 |
|
| Robert De Ross | |
| B: | Abt 1170 |
| , Hamlake, Yorkshire, England | |
| D: | Aft 1227 |
| Isabel, Princess Of Scotland | |
| B: | Abt 1150 |
| Of, , , Scotland | |
| M: | 1191 |
| , Haddington, Lincolnshire, England | |