Sergius, also known as Tychicus (?–835), was a religious leader of the 9th century. In 801,Nina G. Garsoïan, ''The Paulician heresy: a study of the origin and development of Paulicianism in Armenia and the Eastern Provinces of the Byzantine empire'', , p.119 after joining the

Astati The Astati were a Paulician sect in the 9th century, the followers of Sergius. They prevailed much under Emperor Nicephorus I Nikephoros I or Nicephorus I ( gr, Νικηφόρος; 750 – 26 July 811) was Byzantine emperor from 802 to 811. ...

at Argaoun (now

Arguvan Arguvan ( ku, Erxewan/Arxewan) is a district of Malatya Province of Turkey. The mayor is Mehmet Kızıldaş ( CHP). Demographics The majority of the district is Alevi from both Kurdish and Turkish Turkish may refer to: *a Turkic language spo ...

), he founded the

Paulician Paulicianism (Classical Armenian: Պաւղիկեաններ, ; grc, Παυλικιανοί, "The followers of Paul"; Arab sources: ''Baylakānī'', ''al Bayāliqa'' )Nersessian, Vrej (1998). The Tondrakian Movement: Religious Movements in the ...

Church of the

Colossians The Epistle to the Colossians is the twelfth book of the New Testament. It was written, according to the text, by Paul the Apostle and Timothy, and addressed to the church in Colossae, a small Phrygian city near Laodicea and approximately ...

.Janet Hamilton, Bernard Hamilton, Yuri Stoyanov, ''Christian Dualist Heresies in the Byzantine World, C. 650-c. 1450: Selected Sources'', Manchester University Press, 1998, , pp. 20, 93 He later led a mission to

Cilicia Cilicia (); el, Κιλικία, ''Kilikía''; Middle Persian: ''klkyʾy'' (''Klikiyā''); Parthian language, Parthian: ''kylkyʾ'' (''Kilikiyā''); tr, Kilikya). is a geographical region in southern Anatolia in Turkey, extending inland from th ...

and founded the Church of the

Ephesians The Epistle to the Ephesians is the tenth book of the New Testament. Its authorship has traditionally been attributed to Paul the Apostle but starting in 1792, this has been challenged as Deutero-Pauline, that is, pseudepigrapha written in Pa ...

, based in Mimistra. According to

Peter the Hegoumenos Peter may refer to: People * List of people named Peter, a list of people and fictional characters with the given name * Peter (given name) ** Saint Peter (died 60s), apostle of Jesus, leader of the early Christian Church * Peter (surname), a sur ...

, Sergius was the seventh and last leader of the Paulicians, and the successor to Baanes (or Vahan) the Filthy. The sect was suppressed in 835.

References

Paulicians 9th-century religious leaders 9th-century Byzantine people Gnostics {{DEFAULTSORT:Sergius Tychicus