Humphrey, Duke of Gloucester
| Humphrey of Lancaster | |
|---|---|
| Duke of Gloucester | |
 Gloucester in the frontispiece of the Talbot Shrewsbury Book, 1445 | |
| Lord Protector of England | |
| Regency | 5 December 1422 – 6 November 1429 |
| Monarch | Henry VI |
| Born | 3 October 1390 Kingdom of England |
| Died | 23 February 1447 (aged 56) Bury St Edmunds, Suffolk, Kingdom of England |
| Burial | 4 March 1447 |
| Spouse‘s | Jacqueline, Countess of Hainaut (m. 1423; ann. 1428) Eleanor, Duchess of Gloucester (m. 1431; ann. 1441) |
| Issue | Arthur of Gloucester (illegitimate) Antigone of Gloucester, Countess of Tankerville |
| House | Lancaster |
| Father | Henry IV of England |
| Mother | Mary de Bohun |
Humphrey of Lancaster, Duke of Gloucester (3 October 1390 – 23 February 1447) was (as he styled himself) "son, brother and uncle of kings", being the fifth son of Henry IV, brother of Henry V, and uncle of Henry VI.