1215 - 1288 (73 years)
 | Maud de Ros Abt 1334-1388 |
| Maud de Ros | |
| B: | Abt 1334 |
| Helmsley, Yorkshire, England | |
| D: | 9 Dec 1388 |
 | 4th Lord Welles John de Welles 1334-1361 |
| 4th Lord Welles John de Welles | |
| B: | 23 Aug 1334 |
| D: | 11 Oct 1361 |
| 4th Lord Helmsley, 5th Baron de Ros Sir Thomas de Ros | |
| B: | 13 Jan 1337 |
| Stoke Albany, Northamptonshire, England | |
| D: | 8 Jun 1384 |
| Uffington, Lincolnshire, England | |
 | Beatrice de Stafford 1337-1415 |
| Beatrice de Stafford | |
| B: | 1337 |
| Staffordshire, England | |
| M: | 1 Jan 1359 |
| Stoke Albany, Northamptonshire, England | |
| D: | 14 Apr 1415 |
| Yorkshire, England | |
| 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 |
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.
