William I, Count of Burgundy, also known as William the Great, was a nobleman who ruled from 1032 until his death in 1087. He was a member of the House of Ivrea and played a significant role in the political landscape of medieval France. His reign was marked by efforts to consolidate power and expand his territory, which included parts of modern-day France and Switzerland. William was known for his strong leadership and military prowess. He was involved in various conflicts, including those against the Dukes of Normandy and other regional powers. His legacy includes the establishment of the County of Burgundy as a significant feudal entity in the region, influencing the future of Burgundian politics and culture.