Conan II of Brittany was a notable ruler in the 11th century, serving as the Duke of Brittany from 1040 until his death in 1066. He was the son of Geoffrey I, Duke of Brittany and Hawise of Normandy, which connected him to the powerful Norman dynasty. His reign was marked by efforts to strengthen the duchy and maintain its independence from external influences. During his rule, Conan II faced challenges from both the Normans and the Kingdom of France. He was involved in various conflicts, including disputes over territory and power. His legacy continued through his descendants, influencing the political landscape of Brittany and its relationship with neighboring regions.