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 IV of England and France". Upon his accession as king, Henry updated the arms of the kingdom to match an update in those of royal France – from a field of fleur-de-lys to just three. When Richard II was forced to abdicate the throne in 1399, Henry was next in line to the throne according to Edward III's entailment of 1376. That entailment clearly reflects the operation of agnatic primogeniture, also known as the Salic law. At this time, it was by no means a settled custom for the daughter of a king to supersede the brothers of that king in the line