| Male Earl of Northampton William De Bohun, IX |
| Birth | 1311 | |
| Death | 16 Sep 1360 | |
| Burial | ||
| Marriage | ||
| Father | Earl of Hereford Humphery De Bohun, VIII | F390 Group Sheet | |
| Mother | Princess of England Elizabeth Plantagenet | F390 Group Sheet | |
| Female Elizabeth, of Badlesmere |
| Birth | ||
| Death | ||
| Burial | ||
| Father | Lord of Badlesmere Bartholomew | F1754 Group Sheet | |
| Mother | Margaret De Clare | F1754 Group Sheet | |
| Male + Earl of Hereford Humphrey De Bohun, X |
| Birth | 24 Mar 1341 | |
| Death | 16 Jan 1373 | |
| Burial | ||
| Spouse | Joan Fitz Alan | F1752 | |
| Marriage | 1359 | |