Charles, Duke of Orléans to swear the traditional oath of vengeance for their father's murder. During the early years of his reign as duke, the orphaned Charles was heavily influenced by the guidance of his father-in-law, Bernard VII, Count of Armagnac, for which reason Charles' faction came to be known as the Armagnacs. After war with the Kingdom of England was renewed in 1415, Charles was one of the many French noblemen at the Battle of Agincourt on 25 October 1415. He was discovered unwounded but trapped under a pile of corpses, incapacitated by the weight of his own armour. He was taken prisoner
Charles, Duke of Mayenne Charles, Duke of Mayenne Charles of Lorraine, Duke of Mayenne (26 March 1554 – 3 October 1611), or Charles de Guise, was a French nobleman of the house of Guise and a military leader of the Catholic League, which he headed during the French Wars of Religion, following the assassination of his brothers at Blois in 1588. In 1596, when he made peace with Henri of Navarre, the wars were essentially at an end. He was the second son of Francis of Lorraine, Duke of Guise and Anna d'Este, the daughter of Ercole d'Este II, Duke of Ferrara and Renée