Hugh IV, Duke of Burgundy was a nobleman who lived during the late 12th century. He was born around 1142 and became Duke of Burgundy in 1162, succeeding his father, Hugh III. His reign was marked by efforts to strengthen the duchy's power and influence in the region. Hugh IV was known for his involvement in various political alliances and conflicts. He played a significant role in the struggles between the Capetian and Plantagenet dynasties, which shaped the political landscape of medieval France. He died in 1192, leaving a legacy that influenced future generations of Burgundian rulers.