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
Marie of Brittany, Lady of La Guerche husband John had five children:<br> In January 1414, Charles IV of France raised the county of Alençon to a duchy, and made Marie's husband, John, the first duke of Alençon. Marie's husband died at the Battle of Agincourt, where he fought alongside the King of France. After the death of her husband in 1415, Marie was forced to flee Normandy, where she had been living prior to the Battle of Agincourt. Her son, John, became John II of Alençon and was captured at the Battle of Verneuil in 1424. He paid for his freedom from the English in 1427, and