sentences:  Charles was later required by a treaty with Philip the Good, the son of John the Fearless, to pay penance for the murder, which he never did.At the death of his father, Charles VI, the succession was cast into doubt.The Treaty of Troyes, signed by Charles VI in 1420, mandated that the throne pass to the infant King Henry VI of England, the son of the recently deceased Henry V and Catherine of Valois, daughter of Charles VI; however, Frenchmen loyal to the king of France regarded the treaty as invalid on grounds of coercion and Charles VI's diminished mental capacity.