Marcus I of Byzantium (; died 211) was the bishop of Byzantium for 13 years (198 – 211).Fordham University, History Department, ''Bishops/ Patriarchs of Constantinople''
/ref> He succeeded bishop

Olympianus of Byzantium Olympianus of Byzantium (; died 198) was the bishop of Byzantium for eleven years (187 – 198). He succeeded bishop Pertinax of Byzantium. In 196, Byzantium was conquered by Roman emperor Septimius Severus Lucius Septimius Severus (; ...

. His term of office took place during the persecution of Christians by Roman emperor

Septimius Severus Lucius Septimius Severus (; ; 11 April 145 – 4 February 211) was Roman emperor from 193 to 211. He was born in Leptis Magna (present-day Al-Khums, Libya) in the Roman province of Africa. As a young man he advanced through cursus honorum, the ...

. His successor was Philadelphus of Byzantium.

Notes and references

Bibliography

Marcus I page on Ecumenical Patriarchate website
2nd-century Romans 3rd-century Romans 2nd-century Byzantine bishops 3rd-century Byzantine bishops Roman-era Byzantines Bishops of Byzantium 211 deaths Year of birth unknown {{EarlyChurch-bishop-stub