Frederick I, Duke of Lorraine, was a nobleman who ruled from 1473 until his death in 1525. He belonged to the House of Lorraine, a prominent family in the region. Frederick was known for his efforts to strengthen the duchy and maintain its independence during a time of political turmoil in Europe. As a ruler, Frederick I engaged in various military campaigns and alliances, notably with the Holy Roman Empire. His reign was marked by both conflict and diplomacy, as he navigated the challenges posed by neighboring territories and the shifting power dynamics of the time.