Eberhard of Friuli was a prominent Frankish nobleman and military leader who served as the Duke of Friuli starting in 846. A significant figure within the Carolingian Empire, he was known for his loyalty to Emperor Louis the Pious and his efforts to mediate conflicts between the emperor's sons. Married to Princess Gisèle, the daughter of Louis the Pious, he maintained a highly cultured household characterized by a large library and a devotion to religious scholarship and peace-making.