1157 - 1228 (71 years)
 | Joan de Ferrers Abt 1233- |
| Joan de Ferrers | |
| B: | Abt 1233 |
| Derbyshire, England | |
| D: | Addington, Surrey, England |
 | Knight of Munster John de Mohun, I 1232-1253 |
| Knight of Munster John de Mohun, I | |
| B: | 1232 |
| Dunster, Somerset, England | |
| M: | Abt 1245 |
| Derby, Derbyshire, England | |
| D: | 1253 |
| Dunster, Somerset, England | |
| 5th Earl of Derby Sir William de Ferrers, III | |
| B: | 1200 |
| Derbyshire, England | |
| D: | 24 Mar 1254 |
| Evington, Leicestershire, England | |
 | Sibyl Marshall 1209-1245 |
| Sibyl Marshall | |
| B: | 1209 |
| Pembroke, Pembrokeshire, Wales | |
| D: | 27 Apr 1245 |
| Pembroke, Pembrokeshire, Wales | |
| 1st Baron Ferrers of Groby Sir William de Ferrers, IV | |
| B: | 1240 |
| Woodham Ferrers, Essex, England | |
| D: | 24 Jan 1288 |
| Groby, Leicestershire, England | |
 | Anne Durwood 1248-1280 |
| Anne Durwood | |
| B: | 1248 |
| Loughborough, Leicestershire, England | |
| D: | 1280 |
| Groby, Leicestershire, England | |
 | Margaret de Quincy Abt 1218-Abt 1280 |
| Margaret de Quincy | |
| B: | Abt 1218 |
| England | |
| D: | Abt 1280 |
| England | |
| 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 | |
|
| Sybil de Braose 1157-1228 |
| Sybil de Braose | |
| B: | 1157 |
| Sussex, England | |
| D: | 1228 |
| Derbyshire, England | |
| 3rd Earl of Derby Sir William de Ferrers, I | |
| B: | 1140 |
| D: | 1190 |
| Israel | |
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.
