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
Henry II of England dead, Henry rearranged the plans for the succession: Richard was to be made king of England, although without any actual power until the death of his father. Geoffrey would have to retain Brittany, as he held it by marriage, so Henry's favourite son John would become the duke of Aquitaine in place of Richard. Richard, however, refused to give up Aquitaine; he was deeply attached to the duchy, and had no desire to exchange this role for the meaningless one of being the junior King of England. Henry was furious, and ordered John and Geoffrey to march south and retake