House of Valois the senior descendant of Philip IV of France. Charles' character eventually alienated both the French and English monarchs, because he readily switched sides whenever it suited his interest. In 1356, Edward, the Black Prince, eldest son and heir of Edward III, led an army to a chevauchée in France. John pursued the Black Prince, who tried to avoid battling the French king's superior force. Negotiations broke down. In the Battle of Poitiers, the French suffered another humiliating defeat, and their king was captured. Edward hoped to capitalize on the victory by invading France and having himself crowned at Reims. But
Edward the Black Prince Edward appears to have advanced at the head of the reserve, and the rout soon became complete. When Edward met his son after the battle was over, he embraced him and declared that he had acquitted himself loyally, and the prince bowed low and did reverence to his father. The next day he joined the king in paying funeral honours to King John of Bohemia. The prince was present at the Siege of Calais (1346–1347), and after the surrender of the town harried and burned the country for around, and brought much booty back with him. He returned to England