Eudes IV was the Duke of Burgundy from 1361 until his death in 1350. He was the son of Philip the Bold and Margaret III of Flanders, and he played a significant role in the politics of medieval France. Eudes IV was known for his efforts to strengthen the duchy and expand its influence through strategic marriages and alliances. During his reign, Eudes IV focused on consolidating power and improving the administration of his territories. He was also involved in various military campaigns, which aimed to protect and enhance the interests of Burgundy within the broader context of French politics.