Bonne of Artois and Margaret III, Countess of Flanders. Philip was killed at the Battle of Agincourt in 1415, against the English king Henry V, who won the battle against Charles d'Albret and Charles VI of France. Their eldest son Charles succeeded as Count of Nevers. However, due to the child's minority, Bonne acted as regent from 1415 until 1424. She succeeded her aunt Jeanne d'Artois as Mademoiselle de Dreux and as Dame de Houdain. After Philip's death, Bonne married his nephew Philip the Good, Duke of Burgundy, on 30 November 1424 at Moulins-les-Engelbert. His first marriage to Michelle of Valois had produced
Battle of Agincourt seizing some of Henry's personal treasures, including a crown. Whether this was part of a deliberate French plan or an act of local brigandage is unclear from the sources. Certainly, d'Azincourt was a local knight but he might have been chosen to lead the attack because of his local knowledge and the lack of availability of a more senior soldier. In some accounts the attack happened towards the end of the battle, and led the English to think they were being attacked from the rear. Barker, following the "Gesta Henrici", believed to have been written by an English chaplain who