After Louis was restored to his power, backed by his sons Louis the German and Pepin I of Aquitaine, Agobard was suspended from his episcopate by the Council of Thionville and exiled, replaced by the chorbishop Amalarius of Metz (ca. 775- ca. 850).
He was Chorbishop of Magdeburg and Strasbourg, treasurer and prebendary, Provost at St. Gereon in Cologne and of Archduke Leopold, Bishop of Passau and Strasbourg, Council and the governor in the autonomous Cathedral district of Rouffach.