Complex sentence: The institute was recognized in 1572 by Pope Pius V and was given a nickname "Fatebenefratelli", the phrase used by the saints while inviting passersby to do charity which means "You do well, brothers, for God's sake".
Split into simpler sentences: The institute was recognized in 1572 by Pope Pius V and was given a nickname, "Fatebenefratelli", the phrase used by the saints while inviting passersby to do charity. The epithet means, "You do well, brothers, for God's sake".