Hildegar, or in French Hildegaire (died 873/76), was the bishop of Meaux from around 856 until his death. In January 862, a band of Vikings under the son of Weland left their encampment at the abbey of Fossés and "with a few ships" looted the city of Meaux up the river. Shortly after the attack, Hildegar composed the Vita et miracula sancti Faronis episcopi Meldensis, a biography of Saint Faro, his seventh-century predecessor, whose intervention Hildegar credited with saving the church of Meaux from destruction. Hildegar blamed the Viking attacks on the king, Charles, and on "treachery" (infidelitas), a veiled accusation that Charles had allowed the Vikings to attack because his son, Louis the Stammerer, was in rebellion and staying at Meaux at the time. He was probably supported by Hildeg