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, Count of Waldeck in 1307. A deed sealed by King Albert I of Germany from March 1308 mentions that Peter and Henry IV have reconciled their differences. Henry was then released from prison. In 1312, he promised Landgrave Otto I to support him in his dispute with the Duchy of Brunswick-Lüneburg. The Dukes of Brunswick-Lüneburg were also fighting a feud against the Archbishopric of Mainz, whose Amtmann Henry IV had been since 1305. Close to Brunswick's Schonenberge Castle, Henry IV built a castle of his own, in order to neutralize Schoeneberge. In 1313, he made an alliance with Archbishop Peter of Mainz against