He was one of three named by an edict of Theodosius I (30 July 381; Cod. Theod., LXVI, tit. I., L. 3) to episcopal sees named as centres of Catholic communion in the East, along with Gregory of Nyssa and Otreius of Melitene.
He was one of three named by an edict of Theodosius I (30 July 381; Cod. Theod., LXVI, tit. I., L. 3) to episcopal sees named as centres of Catholic communion in the East, along with Gregory of Nyssa and Helladius of Caesarea.