sentences:  The death of Queen Joanna I of Naples led to a crisis of succession to the County of Provence.The cities of the Aix Union (1382–1387) supported Charles, Duke of Durazzo, against Louis I, Duke of Anjou.The King of France, Charles VI, intervened and sent the Seneschal of Beaucaire, Enguerrand d'Eudin, who rallied Guillaume III Roger de Beaufort.