Bible Encyclopedias
Constantinus I

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

was 38th patriarch of Constantinople, and succeeded John V, A.D. 674. He died A.D. 677, and was followed by Theodore I (Theophanes, Chronog. page 295).

Bibliography Information
McClintock, John. Strong, James. Entry for 'Constantinus I'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​c/constantinus-i.html. Harper & Brothers. New York. 1870.