| Male Duke of Buckingham, Sir Humphrey Stafford |
| Birth | 15 Aug 1402 | |
| Death | 10 Jul 1460 | Sandwich, Kent, England, United Kingdom |
| Burial | 10 Jul 1460 | Grey Friars Church, Greenwich, Kent, England, United Kingdom |
| Marriage | ||
| Father | Earl of Stafford Edmund Stafford | F688 Group Sheet | |
| Mother | Countess of Stafford Anne Plantagenet | F688 Group Sheet | |
| Female + Margaret Stafford |
| Birth | 1435 | |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | Robert Dunham | F664 | |
| Marriage | ||