Henry of Leuven was a notable figure in the 12th century, serving as the Duke of Brabant from 1183 until his death in 1235. He was a member of the House of Reginar and played a significant role in the political landscape of Medieval Europe. His reign was marked by efforts to strengthen the duchy and expand its influence. Henry was also known for his contributions to the Holy Roman Empire and his involvement in various military campaigns. He was a patron of the arts and education, fostering the development of Brabant as a cultural center during his rule.