Henry IV of England king. The two dukes agreed to undergo a duel of honour (called by Richard II) at Gosford Green near Caludon Castle, Mowbray's home in Coventry. Yet before the duel could take place, Richard II decided to banish Henry from the kingdom (with the approval of Henry's father, John of Gaunt) to avoid further bloodshed. Mowbray himself was exiled for life. John of Gaunt died in February 1399. Without explanation, Richard cancelled the legal documents that would have allowed Henry to inherit Gaunt's land automatically. Instead, Henry would be required to ask for the lands from Richard. After some hesitation, Henry
Edward IV of England been looking for a way to trouble Edward IV by reinvigorating the Lancastrian claim to the throne of England. Warwick made an accord with Louis XI and Queen Margaret in which he agreed to restore Henry VI in return for French support for a military invasion of England. Warwick's invasion fleet set sail from France for England on 9 September 1470. This time, Edward IV was forced to flee to Flanders when he learned that Warwick's brother John Neville, 1st Marquess of Montagu, had also switched to the Lancastrian side, making Edward's military position untenable. Henry VI was briefly restored