The Bishops that were well known at that Time.
Church History (Historia Ecclesiastica) · Eusebius of Caesarea
1. After Antoninus had reigned seven years and six months, Macrinus succeeded him. He held the government but a year, and was succeeded by another Antoninus. During his first year the Roman bishop, Zephyrinus, having held his office for eighteen years, died, and Callistus received the episcopate.
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2. He continued for five years, and was succeeded by Urbanus. After this, Alexander became Roman emperor, Antoninus having reigned but four years. At this time Philetus also succeeded Asclepiades in the church of Antioch.
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3. The mother of the emperor, Mammæa by name, was a most pious woman, if there ever was one, and of religious life. When the fame of Origen had extended everywhere and had come even to her ears, she desired greatly to see the man, and above all things to make trial of his celebrated understanding of divine things.
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