1180 - 1262 (82 years)
 | 2nd Lord Ros, Knight of Helmsley and Hunsingore, Yorkshire, Wark, Northumberland Sir William de Ros 1288-1343 |
| 2nd Lord Ros, Knight of Helmsley and Hunsingore, Yorkshire, Wark, Northumberland Sir William de Ros | |
| B: | 1288 |
| Yorkshire, England | |
| D: | 3 Feb 1343 |
| Yorkshire, England | |
 | Margery de Badlesmere 1306-1363 |
| Margery de Badlesmere | |
| B: | 1306 |
| Badlesmere, Kent, England | |
| M: | 25 Nov 1316 |
| Wark, Northumberland, England | |
| D: | 18 Oct 1363 |
| Helmsley, Yorkshire, England | |
 | Maud de Vaux 1261-1312 |
| Maud de Vaux | |
| B: | 1261 |
| Freiston, Lincolnshire, England | |
| D: | 1312 |
| Youlton, Yorkshire, England | |
| 2nd Baron of Hamlake William de Ros 1244-1316 |
| 2nd Baron of Hamlake William de Ros | |
| B: | 27 Jun 1244 |
| Helmsley, Yorkshire, England | |
| M: | Bef 1287 |
| D: | 16 Aug 1316 |
| Youlton, Yorkshire, England | |
| John de Vaux 1215-1288 |
| John de Vaux | |
| B: | 1215 |
| Aquitaine, France | |
| D: | 1288 |
| Aquitaine, France | |
 | Sibel de Longchamps 1202-1261 |
| Sibel de Longchamps | |
| B: | 1202 |
| M: | 1227 |
| D: | 1261 |
| Petronilla de Craon 1180-1262 |
| Petronilla de Craon | |
| B: | 1180 |
| D: | 1262 |
| Oliver de Vaux 1175-1244 |
| Oliver de Vaux | |
| B: | 1175 |
| D: | 1244 |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
