John De Ferrers
1271 - 1312 (40 år)(NB: Rul ned for at se hele træet.)
| Robert Ferrers, 2nd Baron Ferrers of Wemme ca. 1373-før 1396 |
| Robert Ferrers, 2nd Baron Ferrers of Wemme | |
| F: | ca. 1373 |
| Suffolk, England | |
| D: | før 29 nov. 1396 |
Joan De Beaufort ca. 1375-1440 |
| Joan De Beaufort | |
| F: | ca. 1375 |
| Chateau De Beaufort, Maine-et-Loire, Frankrig | |
| D: | 13 nov. 1440 |
| Howden, Yorkshire, England | |
| Robert De Ferrers ca. 1341-1381 |
| Robert De Ferrers | |
| F: | ca. 1341 |
| Charterley, Staffordshire, England | |
| D: | 1381 |
| Robert De Ferrers 1309-1350 |
| Robert De Ferrers | |
| F: | 25 mar. 1309 |
| Charterley, Staffordshire, England | |
| D: | 25 aug. 1350 |
|
| John De Ferrers 1271-1312 |
| John De Ferrers | |
| F: | 20 jun. 1271 |
| Charterley, Staffordshire, England | |
| D: | 1312 |
| Gascogne, Frankrig | |