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
Stephen, King of England Stephen, King of England Stephen ( – 25 October 1154), often referred to as Stephen of Blois, was King of England from 1135 to his death, as well as Count of Boulogne from 1125 until 1147 and Duke of Normandy from 1135 until 1144. Stephen's reign was marked by the Anarchy, a civil war with his cousin and rival, the Empress Matilda. He was succeeded by Matilda's son, Henry II, the first of the Angevin kings. Stephen was born in the County of Blois in central France; his father, Count Stephen-Henry, died while Stephen was still young, and he was