Cyriacus I of Byzantium

Cyriacus I (? – 230) succeeded Philadelphus as Bishop of Byzantium and governed the local church for 16 years. In some catalogues appears under the name Cyrillianus.

Cyriacus I of Byzantium
Bishop of Byzantium
Installed217
Term ended230
Personal details
DenominationEarly Christianity

SourcesEdit

Titles of the Great Christian Church
Preceded by
Philadelphus
Bishop of Byzantium
217–230
Succeeded by
Castinus