Complex sentence: Tertullian (160-230) was born, lived, and died at Carthage; a convert and a priest, his Latin books were at one time widely known, although he later came to espouse an unforgiving puritanism, after Montanus.
Split into simpler sentences: Tertullian (160-230) was born, lived, and died at Carthage. He later came to espouse an unforgiving puritanism, after Montanus.