John of Gaunt Duke of Lancaster

Born: MAR-1340 Died:  3-FEB-1399 Father: Edward III Mother: Philippa de Hainaut

Marriage (1): Blanche of Lancaster daughter of Henry II, duke of Lancaster

Children: 1. Philippa of Lancaster (1360-1415) , married Joao I of Portugal 2. Elizabeth of Lancaster (1364-1425), married John Holland duke of Exeter 3. John 4. Edward 5. John 6. Henry IV. of England (1367-1413)

Marriage (2): Constanza de Castilla daughter of Pedro I de Castilla y León

Children: 1. Catherine of Lancaster (1374-1418) married Enrique III de Castilla y León

Marriage (3): Katherine Swynford

Children: 1. John Beaufort Earl of Somerset  (1370-1410) 2. Henry Beaufort bishop of Winchester (1374-1447) 3. Thomas Beaufort Duke of Exeter (1377-1426) 4. Joan Beaufort (1379-13.11.1440), married Richard Neville Earl of Westmoreland