The House of Montmorency was a prominent noble family in France, known for its influence during the Middle Ages and the Renaissance. Originating in the 10th century, the family played a significant role in French politics and military affairs, producing several notable figures, including Constable Anne de Montmorency, who served under King Francis I. The Montmorency family held vast estates and titles, including the Duchy of Montmorency. Their lineage is marked by alliances with other powerful families, contributing to their status in the French aristocracy. The family's legacy continues to be studied in the context of French history and nobility.