1085 - 1155 (70 years)
 | Baron of Helmsley Robert de Ros 1170-1226 |
| Baron of Helmsley Robert de Ros | |
| B: | 1170 |
| D: | 23 Dec 1226 |
| Isabella Mac William 1175-1226 |
| Isabella Mac William | |
| B: | 1175 |
| Haddington, East Lothian, Scotland | |
| D: | 23 Dec 1226 |
| London, England | |
 | Edvard de Ros 1144-1183 |
| Edvard de Ros | |
| B: | 1144 |
| England | |
| D: | 1183 |
| Yorkshire, England | |
| Adeline Espec 1085-1155 |
| Adeline Espec | |
| B: | 1085 |
| Yorkshire, England | |
| D: | 1155 |
| Yorkshire, England | |
| Piers de Ros 1080-1130 |
| Piers de Ros | |
| B: | 1080 |
| D: | 1130 |
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.
