Hugh II of Montlhéry was a notable nobleman in medieval France, born around 1050. He was the son of Hugh I of Montlhéry and played a significant role in the politics of the Île-de-France region. Hugh II was known for his strong alliances and conflicts with neighboring lords, which were common during this turbulent period. He married Adelaide of Baudemont, strengthening his family's influence. Hugh II's lineage continued through his children, who further established the Montlhéry family's prominence in the region. His legacy is marked by the ongoing power struggles of the time, reflecting the feudal system's complexities.