Hugues de Montlhéry was a notable figure in medieval France, born around 1050. He was a lord in the region of Montlhéry, near Paris, and played a significant role in the feudal system of the time. Hugues was known for his military prowess and his involvement in various conflicts, including those related to the Capetian dynasty. He was also the founder of the Montlhéry castle, which served as a strategic stronghold. Hugues de Montlhéry's legacy continued through his descendants, who maintained influence in the region and were involved in the politics of France during the 12th century.