| William De Ferrers, KNT |
| William De Ferrers, KNT | |
| B: | Abt. 1240 |
| Groby, Leicestershire, England | |
| D: | 20 Dec 1287 |
| 5th Earl of Derby William Ferrers |
| 5th Earl of Derby William Ferrers | |
| B: | 1193 |
| Derbyshire, England | |
| D: | 24 Mar 1254 |
| Evington, Leicestershire, England | |
| Margaret De Quincy |
| Margaret De Quincy | |
| B: | Abt. 1200 |
| M: | 1238 |
| 4th Earl of Derby William De Ferrers |
| 4th Earl of Derby William De Ferrers | |
| B: | Abt. 1162 |
| Ferrers, Derbyshire, England | |
| D: | 22 Sep 1247 |
| Agnes De Meschines |
| Agnes De Meschines | |
| B: | Abt. 1174 |
|
| Sybil De Braose |
| Sybil De Braose | |
| B: | Abt. 1157 |
| Bramber, Sussex, England | |
| D: | 05 Feb 1227/28 |