Eudes IV was a French nobleman who lived during the 13th century. He was the son of Eudes III, the Duke of Burgundy, and became the Duke of Burgundy himself after his father's death in 1267. Eudes IV is known for his efforts to strengthen the duchy and improve its governance. During his rule, Eudes IV focused on expanding the influence of Burgundy and enhancing its economic stability. He was involved in various political alliances and conflicts, which were common in medieval France. His reign contributed to the development of the region and laid the groundwork for future dukes of Burgundy.