Humphrey, Duke of Gloucester (died 1447)

Humphrey of Lancaster, Duke of Gloucester was an English prince, soldier and literary patron. He was, and styled himself as, "son, brother and uncle of kings", being the fourth and youngest son of Henry IV of England, the brother of Henry V, and the uncle of Henry VI. Gloucester fought in the Hundred Years' War and acted as Lord Protector of England during the minority of his nephew. He was a controversial political figure whose actions and policies generated both support and opposition among his contemporaries and later historians. Assessments of his career note his involvement in political conflicts as well as his engagement with intellectual circles, including his role as an early English patron of humanist scholarship, in the context of the Renaissance.