Complex sentence: John Francis O'Hern (June 4,1874--May 22,1933) was an American prelate of the Roman Catholic Church who served as Bishop of Rochester from 1929 until his death in 1933.
Split into simpler sentences: John Francis O'Hern (June 4,1874--May 22,1933) was an American prelate of the Roman Catholic Church. He served as Bishop of Rochester from 1929 until his death in 1933.