Count Henry IV of Luxembourg was a nobleman born around 1280, known for his role in the House of Luxembourg. He was the son of Henry III of Luxembourg and played a significant part in the political landscape of the Holy Roman Empire during the late 13th and early 14th centuries. His lineage connected him to various European royal families, enhancing his influence. Henry IV's reign was marked by his efforts to expand his family's power and territory. He was involved in several conflicts and alliances, notably with the Duchy of Brabant and the Kingdom of France. His legacy contributed to the prominence of the Luxembourg dynasty in European history.