John of Gaunt III's rule was becoming unpopular due to high taxation and his affair with Alice Perrers, political opinion closely associated the Duke of Lancaster with the failing government of the 1370s. Furthermore, while King Edward and the Prince of Wales were popular heroes due to their successes on the battlefield, John of Gaunt had not won equivalent military renown that could have bolstered his reputation. Although he fought in the Battle of Nájera (1367), for example, his later military projects proved unsuccessful. When Edward III died in 1377 and John's ten-year-old nephew succeeded as Richard II of England, John's influence strengthened.
John of Gaunt A later proviso that they were specifically barred from inheriting the throne – the phrase "" ("except royal status") – was inserted with dubious authority by their half-brother Henry IV. John died of natural causes on 3 February 1399 at Leicester Castle, with his third wife Katherine by his side. Because of his rank, John of Gaunt was one of England's principal military commanders in the 1370s and 1380s, though his enterprises were never rewarded with the kind of dazzling success that had made his elder brother Edward the Black Prince such a charismatic war leader. On the resumption of