By birth Pope John was a Tuscan, the son of Constantius. He was an archdeacon for several years before being elected Pope upon the death of Pope St. Hormisdas in 523. He was also a good friend and confidant of the philosopher Boethius.
In 525 Pope John was sent to Constantinople by King Theodoric of the Ostrogoths to reverse an edict sent out by Emperor Justin against the Arians two years earlier, which required Arians to give back churches which they had taken from orthodox Catholics. … [Mehr]