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
Henry VI of England herself, there was little she could do. However, eventually Edward IV had a falling-out with two of his main supporters: Richard Neville, Earl of Warwick, and his own younger brother George, Duke of Clarence. At the urging of King Louis XI of France they formed a secret alliance with Margaret. After marrying his daughter to Henry and Margaret's son, Edward of Westminster, Warwick returned to England, forced Edward IV into exile, and restored Henry VI to the throne on 3 October 1470; the term "readeption" is still sometimes used for this event. However, by this time, years in hiding followed