Theology; Christology; Nestorians; Nestorius, Patriarch of Constantinople, fl. 428; Council of Ephesus (431); Cyril, of Alexandria, Saint, ca. 370-444; Council of Chalcedon (451); Eutyches, ca. 375-ca. 454; Dioscorus, Patriarch of Alexandria, d. 454
Roman Catholic Church; Rome; Istanbul (Turkey); Schism, Acacian, 484-519; Alexandria (Egypt); Timothy Aelurus, Patriarch of Alexandria, d. 477; Theology; Politics; Patriarchs and patriarchate; Coptic Church; Copts; Roman Empire; Excommunication