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On 770, Charles I of Francia would marry Ildegarde of Vinzgau, she would have given him two sons named Charles(773) and Louis(778) and three daughters named Rotrude(775), Bertha(777) and Gisela(781).
Despite the win in Saxons lands, Charlemagne and Adrian I would experience defeat on the hands of the Italians and the Byzantines due to the Byzantine troops being employed by Desiderio and Adrian I and Charles I was forced to retreat but Charles I would be able to kill Adelchis, the son of Desiderio causing the the Kingdom of Italy ruled by the Lombards to pass to Grimoaldo of Benevento, causing the House of Benevento to rule Italy.
On 778, Charles I of Francia would conquer Barcelona with the assistance of the Kingdom of Asturias creating the Spanish March and his eldest daughter, Rotrude would marry Alfonso II of Asturias on 791 which would secure the alliance established between Asturias and Francia since 778.