John

John was bishop of Tomis in the fifth century, after Bishop Timothy, and one of the most learned hierarchs of Dobruja of his day. He is named in the Romanian Paterikon and venerated by the faithful, without synodal canonization; the sources available to us give no day of commemoration.

He took a steady part in the theological discussions that preceded the Fourth Ecumenical Council at Chalcedon (451) and was often in Constantinople. He had broad Latin and Greek learning and translated several church writings from Greek into Latin. The contemporary Latin writer Marius Mercator counted him among the best theologians of his time and among the firmest opponents of Nestorianism and of monophysitism, the teaching of Eutyches.

Only a few fragments of his works survive, but they show, the Paterikon says, the same devotion to Orthodox teaching as in the other bishops of Tomis. He reposed in peace before the year 449 and was added to his predecessors.