| 2nd Baron de Roos of Hemsley William de Ros | |
| B: | Abt 1285 |
| D: | 03 Feb 1343 |
| Margery de Badlesmere | |
| B: | Abt 1306 |
| M: | Bef 25 Nov 1316 |
| D: | 18 Oct 1363 |
| 1st Baron Ros of Helmsley William de Ros | |
| B: | Abt 1255 |
| D: | Between 06 and 08 Aug 1316 |
| Isabel d'Aubigny | |
| B: | Abt 1233 |
| D: | 15 Jun 1301 |
| Robert de Ros | |
| D: | 17 May 1285 |
|
