ADELGIS [Adelchis] (-after 788). "Adalgisus" is named as son of Desiderius by Einhard[582]. He accompanied his father when the latter advanced on Rome in 772[583]. When the Franks advanced on Pavia in 773, Adelgis fled to Verona[584]. The Annales Laurissenses record that "Adalghisus filius Desiderii regis" fled across the seas in 774 and arrived at Constantinople[585]. The Royal Frankish Annals and Theophanes both record that, after his father's overthrow he fled to Constantinople, where he was said to have been made patrikios[586], to seek support for his restoration[587]. He invaded Italy in [787/88] with a combined Lombard/Byzantine force[588]. He was repelled by the Franks who were also helped by his nephew Grimoald Duke of Benevento[589]. m ---. The name of Adelgis's wife is not known. Adelgis & his wife had [one] child