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 IV of Castile Henry IV of Castile Henry IV of Castile (Castilian: "Enrique IV") (5 January 1425 – 11 December 1474), King of Castile, nicknamed "the Impotent" (ruled 1454–1474), was the last of the weak late medieval kings of Castile. During Henry's reign the nobles increased in power and the nation became less centralised. He was born in 1425 at the Casa de las Aldabas (since destroyed) in Teresa Gil street of Valladolid. He was the son of John II of Castile and Maria of Aragon, daughter of King Ferdinand I of Aragon. He displaced his older sister, Eleanor, and became heir apparent