Ecumenical Patriarch of Constantinople from 610 to 638 (565-638)
b. 565 · d. 9 Dec 638
61st Archbishop of Constantinople (Ecumenical Patriarch) · 18 Apr 610–638
Sergius I of Constantinople was the Ecumenical Patriarch of Constantinople from 610 to 638. He is most famous for promoting Monothelitism Christianity, especially through the Ecthesis.
Syria · Constantinople