Henry V of England take a wider share in politics. From January 1410, helped by his uncles Henry Beaufort and Thomas Beaufort, legitimised sons of John of Gaunt, he had practical control of the government. Both in foreign and domestic policy he differed from the king, who discharged the prince from the council in November 1411. The quarrel of father and son was political only, though it is probable that the Beauforts had discussed the abdication of Henry IV. Their opponents certainly endeavoured to defame the prince. It may be that the tradition of Henry's riotous youth, immortalised by Shakespeare, is partly due to
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