Conan III of Brittany was a notable ruler who reigned as Duke of Brittany from 1113 until his death in 1148. He was the son of Conan II and Hawise of Brittany, and his rule was marked by efforts to strengthen the duchy's independence and consolidate power. During his reign, Conan III faced challenges from both internal factions and external threats, particularly from the Kingdom of England and the Kingdom of France. He played a significant role in the political landscape of medieval France, navigating alliances and conflicts to maintain Brittany's autonomy.