He had been ecumenically proceeded by Patriarch Anastasius of Constantinople. He was a supporter of the first phase of Byzantine Iconoclasm and devoutly opposed to the creation of images, but he was deposed and jailed after the discovery of Constantine Podopagouros' plot against the Emperor Constantine V in June 766, in which the patriarch was later implicated.
He was succeeded ecumenically by Patriarch Anastasius of Constantinople. He was a proponent of the initial phase of Byzantine Iconoclasm and fervently opposed to the creation of images, but he was deposed and imprisoned after the discovery of Constantine Podopagouros' plot against Emperor Constantine V in June 766, in which the patriarch was later implicated.