Raymond Berengar IV was a prominent nobleman who served as the Count of Provence from 1131 until his death in 1166. He was part of the House of Barcelona and played a significant role in the political landscape of southern France during the 12th century. His reign was marked by efforts to consolidate power and expand his territory. In addition to his political endeavors, Raymond Berengar IV was known for his marriage to Beatrice of Savoy, which strengthened alliances between noble families. His legacy includes the promotion of trade and culture in Provence, contributing to the region's development during the medieval period.