1062 - 1139 (77 years)
| 4th Earl of Derby Sir William de Ferrers, II | |
| B: | 1168 |
| Tutbury, Staffordshire, England | |
| D: | 1247 |
| Duffield, Derbyshire, England | |
 | Agnes de Kevelioc 1174-1247 |
| Agnes de Kevelioc | |
| B: | 1174 |
| Chester, Cheshire, England | |
| D: | 2 Nov 1247 |
| Stowe-by-Chartley, Staffordshire, England | |
| 3rd Earl of Derby Sir William de Ferrers, I | |
| B: | 1140 |
| D: | 1190 |
| Israel | |
 | Sybil de Braose 1157-1228 |
| Sybil de Braose | |
| B: | 1157 |
| Sussex, England | |
| D: | 1228 |
| Derbyshire, England | |
| 2nd Earl of Derby Robert de Ferrers, II 1100-1162 |
| 2nd Earl of Derby Robert de Ferrers, II | |
| B: | 1100 |
| Derbyshire, England | |
| D: | 1162 |
| Warwickshire, England | |
 | Margaret Peverel 1100- |
| Margaret Peverel | |
| B: | 1100 |
| Nottinghamshire, England | |
| D: | Warwickshire, England |
|
| Robert de Ferrers, I 1062-1139 |
| Robert de Ferrers, I | |
| B: | 1062 |
| Normandy, France | |
| D: | 1139 |
| Staffordshire, England | |
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.
