John Iv The Faster, Saint (D. 595)
JOHN IV THE FASTER, SAINT (d. 595) Patriarch of Constantinople engaged in a controversy over a title with two popes. John, born in Cappadocia, was called the Faster (Jejunator in Greek) because of his extreme asceticism. As patriarch from 582 to 595 he took the title “Oecumenical [universal] Patriarch,” which had been given to his …