Complex sentence: Athanasius Schneider, O.R.C. (born Anton Schneider on 7 April 1961) is a Roman Catholic bishop who is the auxiliary bishop of Astana, Kazakhstan and titular bishop of Celerina.
Split into simpler sentences: Athanasius Schneider, O.R.C. (born Anton Schneider on 7 April 1961) is a Kazakhstani Roman Catholic bishop. He is the auxiliary bishop of Astana, Kazakhstan and titular bishop of Celerina.