Hugh de Vermandois was a notable figure in the 10th century, known for his role as a French nobleman and a member of the Carolingian dynasty. He was the son of Hugh the Great and the grandson of Robert the Strong, which placed him in a prominent position within the French nobility. Hugh became the Count of Vermandois and was involved in various political and military activities during his lifetime. He is often remembered for his alliances through marriage, including his union with Adelaide of Vermandois, which helped strengthen his family's influence in the region.