John of Gaunt, duke of Lancaster (d. 1399)

John of Gaunt (1340-99): duke of Lancaster, son of Philippa of Hainault and Edward III, king of England, who was a pretender to the Castilian throne by right of his marriage to Constanza, eldest daughter of Pedro I, king of Castile, who died in 1369. John of Gaunt was an important person in English political and military life during the last quarter of the fourteenth century, exercising great influence in domestic and foreign policy in England during the reign of Richard II, despite periods of unpopularity and strife with his royal nephew.

Bibliographic References:

For an extensive study on John of Gaunt, see Anthony Goodman, John of Gaunt : the exercise of princely power in fourteenth-century Europe, Longman (Harlow, Essex, 1992)

Occurrences:

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