The House of Capet was a royal dynasty that ruled France from 987 to 1328. Founded by Hugh Capet, it marked the beginning of the Capetian dynasty, which became one of the most influential royal families in European history. The Capetians expanded their power through strategic marriages and territorial conquests, establishing a strong centralized monarchy. Over the centuries, the House of Capet produced several notable kings, including Louis IX, known for his piety and justice, and Philip IV, who strengthened royal authority. The dynasty eventually led to the emergence of the Valois and Bourbon branches, continuing its legacy in French history.