Antony I of Constantinople

Antony I of Constantinople
Ecumenical Patriarch of Constantinople
Emperor Theophilos and patriarch Antony I during Thomas the Slav's siege, Madrid Skylitzes, 11th century.
InstalledJanuary 821
Term ended21 January 837
PredecessorTheodotus I of Constantinople
SuccessorJohn VII of Constantinople
Personal details
Born
Antonios Kas(s)ymatas
Died21 January 837
DenominationChalcedonian Christianity

Antony I of Constantinople (Greek: Ἀντώνιος Κασ(σ)υματᾶς, romanized: Antōnios Kas(s)ymatas; died 21 January 837) Ecumenical Patriarch of Constantinople from January 821 to 21 January 837.