Patriarchs and patriarchate; Coptic Church; Alexandria (Egypt); History of the Patriarchs; Monks; Fatimid dynasty; Crusades; Jerusalem; Arabic language
'Amr ibn al-'As; Arab Conquest of Egypt; Arabs; Asceticism; Alexandria; Cairo (Egypt); Byzantine Empire; Coptic Church; Heraclius, Emperor of the East, ca. 575-641; History; Chalcedonian Church; Melchite Church; Orthodoxy