The Königspfalz Salz, the Royal Palatinate of Salz, was a Carolingian royal residence and administrative centre in Bavaria. See Königspfalz Salz – Lebensraum für Könige.
The dukes Obelerius and Beatus, and the war with the Franks, from the “Chronica per extensum descripta” (1340s) by Andrea Dandolo.