 Male1st Baron Ros of Helmsley William de Ros |
| Birth | Abt 1255 | |
| Death | Between 06 and 08 Aug 1316 | |
| Burial | ||
| Marriage | ||
| Father | Robert de Ros | F5045 Group Sheet | |
| Mother | Isabel d'Aubigny | F5045 Group Sheet | |
| Male + 2nd Baron de Roos of Hemsley William de Ros |
| Birth | Abt 1285 | |
| Death | 03 Feb 1343 | |
| Burial | Abt 03 Feb 1343 | Kirkham Priory, Kirkham, Yorkshire, England  |
| Spouse | Margery de Badlesmere | F4577 | |
| Marriage | Bef 25 Nov 1316 | |
Female