Complex sentence: He was ordained as priest in 1889 and belonged Western Province of the Jesuit Order (headquarters in St. Louis) and taught for some years in Jesuit colleges, principally in St. Louis and Detroit.
Split into simpler sentences: He was ordained as priest in 1889 and belonged to the Western Province of the Jesuit Order (headquarters in St. Louis). He taught for some years in Jesuit colleges, principally in St. Louis and Detroit.