Henri, Duke of Guise (1519-1563), was a prominent French nobleman and military leader during the French Wars of Religion. He was a member of the powerful House of Guise, known for its staunch Catholic beliefs. Henri played a significant role in the conflicts between Catholics and Huguenots, leading troops in several key battles. As a member of the royal family, Henri sought to increase his influence and power. His ambitions led to political intrigue, including his involvement in the assassination of King Henry III’s political opponents. Ultimately, his quest for power resulted in his own assassination, marking a pivotal moment in the ongoing religious strife in France.