Complex sentence: In the missionary province of Mainas, according to Hervas, their labored from 1638 until the expulsion in 1767,157 Jesuit missionaries of Quito, who founded 152 missions, and eight of whom won the palm of martyrdom.
Split into simpler sentences: In the missionary province of Mainas, according to Hervas, 157 Jesuit missionaries of Quito labored from 1638 until the expulsion in 1767. They founded 152 missions, and eight of these missionaries won the palm of martyrdom.