King of Navarre, Charles the Bad is the son of Philippe d'Evreux and Joan II of Navarre. Grandson of Louis X le Hutin, he long hoped for a hypothetical restoration of his possible rights to the crown of France and intrigued a lot for this purpose, going so far as to marry Jeanne de France, daughter of Jean II le Bon. In 1354, he was involved in the assassination of the constable of France. He also makes contact with the Black Prince, offering him his places in Normandy. Jean le Bon preferred to negotiate with him and signed the Treaty of Mantes (1354). By the latter, the Navarrese enlarged his Norman domain by several viscounties and fiefs. He was then imprisoned in Château-Gaillard, but escaped from it in 1357. He was finally beaten by Bertrand du Guesclin in Cocherel (1364) and had to give up some of his possessions.
The day after his majority, he had to face new revolts from the great barons. A first attempt, led by Thibaud de Champagne and Pierre Mauclerc, was just a flash in the pan. But more formidable is the movement in 1241 triggered by Hugues de Lusignan and his wife Isabelle, widow of Jean sans Terre and