Complex sentence: The members of the congregation are exempt from the jurisdiction of the ordinary of the diocese and take simple, but perpetual, vows of poverty, chastity, and obedience, to dedicate the entire life to the missions.
Split into simpler sentences: The members of the congregation take simple, but perpetual, vows and are exempt from the jurisdiction of the Ordinary of the diocese. They professed religious vows of poverty, chastity, and obedience, to dedicate the entire life to the missions.