Cyriacus I (? – 230) succeeded
Philadelphus
''Philadelphus'' () (mock-orange) is a genus of about 60 species of shrubs from 3–20 ft (1–6 m) tall, native to North America, Central America, Asia and (locally) in southeast Europe.
They are named "mock-orange" in reference to their ...
as
Bishop
A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution.
In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ...
of
Byzantium
Byzantium () or Byzantion ( grc, Βυζάντιον) was an ancient Greek city in classical antiquity that became known as Constantinople in late antiquity and Istanbul today. The Greek name ''Byzantion'' and its Latinization ''Byzantium' ...
and governed the local church for 13 years. In some catalogues appears under the name Cyrillianus.
Sources
Οικουμενικό Πατριαρχείο
Bishops of Byzantium
3rd-century Greek people
3rd-century Romans
{{EarlyChurch-bishop-stub