Hugh II of Rethel was a nobleman who lived during the 12th century. He was the Count of Rethel, a region in present-day France, and played a significant role in the politics of the time. His lineage was tied to the House of Rethel, which was influential in the region. Hugh II was known for his participation in the Crusades, a series of religious wars aimed at reclaiming the Holy Land. His contributions to these military campaigns helped to strengthen his family's status and alliances within the broader context of medieval European nobility.