Leo I the Thracian
The names of some of its bishops appear in extant documents: Anderius took part in the Council of Ephesus in 431; Longinus in the Robber Council of 449; Euphratas was a signatory of the letter sent by the bishops of the province to the emperor Leo I the Thracian in 458 after the killing of Proterius of Alexandria; Sisinnius was at the Trullan Council in 692; and another Sisinnius at the Second Council of Nicaea in 787.