Complex sentence: On October 23,1938, at the age of 33 years, Newman was ordained priest by Bishop James Columba McFall (of Ireland) on behalf of a group called the "Old Roman Catholic Church of Great Britain".
Split into simpler sentences: On October 23,1938, at the age of 33 years, Newman was ordained priest by Bishop James Columba McFall (of Ireland). McFall was a bishop of a group called the "Old Roman Catholic Church of Great Britain".