Henry IV of England her marriage to the King of England was childless. By an unknown mistress, Henry IV had one illegitimate child: Henry IV of England Henry IV (15 April 1367 – 20 March 1413), also known as Henry Bolingbroke (), was King of England from 1399 to 1413, and asserted the claim of his grandfather, Edward III (himself a maternal grandson of Philip IV of France), to the Kingdom of France. Henry was born at Bolingbroke Castle in Lincolnshire. His father, John of Gaunt (1340-1399) (created 1st Duke of Lancaster in right of his wife), was the fourth son (third to survive
Philippa of England Philippa of England Philippa of England (4 June 1394 – 5 January 1430), also known as Philippa of Lancaster, was Queen of Denmark, Sweden, and Norway from 1406 to 1430 by marriage to Eric of Pomerania. She was the daughter of King Henry IV of England by his first spouse Mary de Bohun and the younger sister of King Henry V. Queen Philippa participated significantly in state affairs during the reign of her spouse, and served as regent of Denmark from 1423 to 1425. Philippa was born to Henry Bolingbroke and Mary de Bohun, at Peterborough Castle, Peterborough. Her father