although ernest had not been ordained, he was appointed administrator of the diocese of passau after the death of bishop fröschl in 1517. nevertheless, he did not give up his claim to the co-regency in the duchy of bavaria-munich. his hereditary claims were supported by archduke ferdinand i. the issue was finally settled in 1534 by the treaty of linz between the royal houses of habsburg and wittelsbach. in 1536, ernest gave up his claims, in exchange for a severance payment of .