Mezue ahịrịokwu na-esonụ: N'afọ 907, ọ kwadoro agha Eze Ludwig na Luitpold, bụ́ Margrave nke Bavaria, lụsoro ndị Hungary. Burkhard sooro eze gaa Enns. Mgbe ha natara ozi ọma nke mmeri na
Agha nke Pressburg (6 Julaị 907) na ọnwụ nke Luitpold, Burkhard so eze gbaga Passau.