Complex sentence: Around 1860, Edward Wilton Eddis had a theological dispute with John Ross Dix as the latter published "The New Apostles" in 1860, an attack on the Catholic Apostolic Church.
Split into simpler sentences: Around 1860, Edward Wilton Eddis had a theological dispute with John Ross Dix. He had published "The New Apostles" in 1860, an attack on the Catholic Apostolic Church.