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
Edward IV of England Edward of York was born at Rouen in France, the second son of Richard, 3rd Duke of York (who had a strong genealogical claim to the throne of England), and Cecily Neville. He was the eldest of the four sons who survived to adulthood. He bore the title Earl of March before his father's death and his accession to the throne. Edward's father Richard, Duke of York, had been heir to King Henry VI (reigned 1422-1461) until the birth of Henry's son Edward in 1453. Richard carried on a factional struggle with the king's Beaufort relatives. He established a dominant