543 during the time of the unsourced early Bavarian dukes appears less likely than that he worked during the reign of the Agilolfing duke Theodo II (c.
543. aastal, allikates kajastamata varajaste Baieri hertsogite ajal, tundub vähem tõenäoline, kui et ta töötas Agilolfingist hertsog Theodo II (u.