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 declared illegitimate by Parliament in 1484 in an act known as Titulus Regius (King's Title), clearing the way for Richard III to become King. This act was later repealed by Henry VII, thus (re-)legitimising Edward and Elizabeth's children. Edward had numerous mistresses. These included, Elizabeth Shore, also called Jane Shore, Lady Eleanor Talbot and Elizabeth Lucy Wayte. Edward IV reportedly had several illegitimate children: Edward IV's eldest son was invested with the title of Prince of Wales at the age of seven months. At the age of three, he was sent by his father to Ludlow Castle as nominal head