| 1. William Ferrers |
 |
| B: |
30 Jan 1271 |
| P: |
Yoxall, Staffordshire, England, United Kingdom |
| D: |
20 Mar 1324 |
| P: |
|
|
| 2. William Ferrers |
|
| B: |
1240 |
| P: |
Groby, Leicestershire, England, United Kingdom |
| M: |
|
| P: |
|
| D: |
20 Dec 1287 |
| P: |
|
|
| 4. William Ferrers |
|
| B: |
1200 |
| P: |
, Derbyshire, England, United Kingdom |
| M: |
|
| P: |
|
| D: |
24 Mar 1254 |
| P: |
Evington, Leicestershire, England, United Kingdom |
|
| 8. Earl of Derby William Ferrers |
=> |
|
| B: |
1162 |
| P: |
Ferrers, Derbyshire, England, United Kingdom |
| M: |
1192 |
| P: |
, Cheshire, England, United Kingdom |
| D: |
22 Sep 1247 |
| P: |
|
|
| 5. Margaret De Quincy |
|
| B: |
1218 |
| P: |
Winchester, Hampshire, England, United Kingdom |
| D: |
12 Mar 1284 |
| P: |
|
|
| 10. Roger De Quincy |
=> |
|
| B: |
1174 |
| P: |
Winchester, Hampshire, England, United Kingdom |
| M: |
|
| P: |
|
| D: |
25 Apr 1264 |
| P: |
, , England, United Kingdom |
|
1271 - 1324 (53 years)