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 V marched to the north, the French moved to block them along the River Somme. They were successful for a time, forcing Henry to move south, away from Calais, to find a ford. The English finally crossed the Somme south of Péronne, at Béthencourt and Voyennes and resumed marching north. Without a river obstacle to defend, the French were hesitant to force a battle. They shadowed Henry's army while calling a "semonce des nobles", calling on local nobles to join the army. By 24 October, both armies faced each other for battle, but the French declined, hoping for the arrival