5th Earl of Derby William De Ferrers
1193 - 1254 (61 years)(Notes: You may have to scroll down or right to see chart.)
| Agnes De Ferrers | |
| D: | 11 May 1290 |
| Isabel De Ferrers | |
| D: | Bef 26 Nov 1260 |
| Maud De Ferrers | |
| D: | 12 Mar 1298 |
| Joan De Ferrers | |
| D: | 1267 |
| Agatha De Ferrers | |
| D: | May 1306 |
| Eleanor De Ferrers | |
| D: | 16 Oct 1274 |
| William De Ferrers | |
| B: | 1193 |
| Derbyshire, England | |
| D: | 28 Mar 1254 |
| Sibyl Marshal | |
| B: | 1201 |
| D: | 27 Apr 1245 |
