Arthur II, Duke of Brittany was born in 1262 and became the Duke of Brittany in 1312. He was the son of John II, Duke of Brittany and Beatrice of England. Arthur II played a significant role in the political landscape of medieval France, navigating the complexities of alliances and conflicts during his reign. He was known for his efforts to strengthen the duchy and maintain its independence from the French crown. Arthur II's reign was marked by his involvement in the Hundred Years' War, which influenced the power dynamics in Brittany and beyond. He died in 1341, leaving a legacy of resilience and governance.