Ambrose of Milan Athanasius Barnabas Basil Brother Clement of Alexandria Clement of Rome Cyprian of Carthage Cyril of Jerusalem Dom Gregory of Nyssa Hermas His Grace His Holiness His Reverence Holiness Ignatius Irenaeus Jerome John John Chrysostom Justin Martyr Lactantius Firmianus Luke Mark Monsignor Mother Origen Papias Paul Peter Polycarp Rabbi Sister Tertullian ante-Nicene Fathers apostle disciple evangelist saint