William II of Jülich was a nobleman who ruled the Duchy of Jülich in the late 15th century. He was born around 1455 and became Duke in 1511. His reign was marked by efforts to strengthen the duchy's political and economic power in the region. William II was also known for his involvement in the Habsburg political sphere, as he sought alliances through marriage. He played a significant role in the Rhineland politics of his time, navigating relationships with neighboring territories and contributing to the complex feudal landscape of Germany.