Duke Hoel of Brittany was a notable figure in the medieval period, ruling as the Duke of Brittany from around 1040 until his death in 1079. He was part of the House of Rennes, a prominent dynasty in the region. His reign was marked by efforts to strengthen the autonomy of Brittany and maintain its distinct identity within the broader context of Norman and French influence. Hoel was known for his diplomatic skills, often navigating complex relationships with neighboring powers. He played a significant role in the political landscape of Western France, and his legacy contributed to the ongoing development of Brittany as a unique cultural and political entity.