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 of England male heir, but not the most senior in terms of agnatic descent from Edward III. Although he was heir to the throne according to Edward III's entail to the crown of 1376, Dr. Ian Mortimer has pointed out in his 2008 biography of Henry IV that this entail had probably been supplanted by an entail made by Richard II in 1399 (see Ian Mortimer, "The Fears of Henry IV", appendix two, pp. 366–9). Henry thus had to overcome the superior claim of the Mortimers in order to maintain his inheritance. This difficulty compounded when the Mortimer claim was merged with