Sigismund Felix Freiherr von Ow-Felldorf
On 11 January, 1902, aged 46, he was appointed an Auxiliary Bishop of Regensburg and a month later, he was named Titular Bishop of Arethusa.
On 18 October, 1906, aged 51, he was appointed Bishop of Passau and installed in March 1907. He served until his death on 11 May, 1936, aged 80.
He was a priest for 51 years and a bishop for 34 years.