Humphrey, Duke of Gloucester
| Humphrey of Lancaster | |
|---|---|
| Duke of Gloucester | |
 c. 16th-century drawing based on contemporary portrait (from the Recueil d'Arras) | |
| Born | 3 October 1390 |
| Died | 23 February 1447 (aged 56) Bury St Edmunds, Suffolk |
| Burial | 4 March 1447 |
| Spouse | Jacqueline of Hainaut (m. 1422, ann. 1428) Eleanor Cobham (m. 1428–1431, ann. c. 1441) |
| Issue | Arthur of Gloucester (illegitimate); Antigone, Countess of Tankerville (illegitimate) |
| 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.Gloucester fought in the Hundred Years' War and acted as Lord Protector of England during the minority of his nephew.