Edward the Black Prince compelling Peter of Castile to flee from his kingdom, and in setting up his bastard brother, Henry of Trastámara, as king in his stead. Peter, who was in alliance with Edward III, sent messengers to the Black Prince asking his help, and on receiving a gracious answer at Corunna, set out at once, and arrived at Bayonne with his son and his three daughters. The prince met him at Capbreton, and rode with him to Bordeaux. Many of the prince's lords, both English and Gascon, were unwilling that he should espouse Peter's cause, but he declared that it was not
Prince of Wales medieval England extending principally over the counties of Cheshire and Flintshire. A Prince of Wales also holds a number of additional titles. As heir apparent to the English/British throne he is—if the eldest living son of the monarch—Duke of Cornwall. As heir apparent to the Scottish throne he is Duke of Rothesay, Earl of Carrick, Baron of Renfrew, Lord of the Isles, and Prince and Great Steward of Scotland. Individual princes have also held additional titles, which were theirs prior to becoming Prince of Wales. Before ascending the throne Henry VIII, Charles I and George V were each Duke of