Proclus of Constantinople Scroll for quotes→ Previous Next Proclus of Constantinople (died 446) was an archbishop of Constantinople. He is venerated as a saint in the Catholic Church, the Eastern Catholic Churches, the Eastern Orthodox Church, and Oriental Orthodoxy. Saint Proclus was the friend and disciple of Saint John Chrysostom who ordained him deacon and priest. In 429, on a festival of the Theotokos (Virgin Mary), Proclus preached his celebrated sermon on the Incarnation, which was