Because Eastern Orthodoxy has a persistent affinity for heresies? Those sees at one time or another, under their respective patriarchs were teaching heresies.
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A Chart of Heretical Eastern Patriarchs
Code:
Patriarchal / See / Patriarch / Years / Heresy
Antioch Paul of Samosata 260-269 Modalist
Antioch Eulalius c.322 Arian
Antioch Euphronius c.327-c.329 Arian
Constantinople Eusebius c.341-42 Arian
Constantinople Macedonius c.342-60 Semi-Arian
Antioch Leontius 344-58 Arian
Alexandria George 357-61 Arian
Antioch Eudoxius 358-60 Arian
Constantinople Eudoxius 360 Arian
Antioch Euzoius 361-78 Arian
Constantinople Nestorius 428-31 Nestorian!
Alexandria Dioscorus 448-51 Monophysite
Alexandria Timothy Aelurus 457-60, 475-77 Monophysite
Antioch Peter the Fuller 470,475-7, 482-88 Monophysite
Constantinople Acacius 471-89 Monophysite
Antioch John Codonatus 477,488 Monophysite
Alexandria Peter Mongo 477-90 Monophysite
Antioch Palladius 488-98 Monophysite
Constantinople Phravitas 489-90 Monophysite
Constantinople Euphemius 490-96 Monophysite
Alexandria Athanasius II 490-96 Monophysite
Alexandria John II 496-505 Monophysite
Alexandria John III 505-518 Monophysite
Constantinople Timothy I 511-17 Monophysite
Antioch Severus 512-18 Monophysite
Alexandria Timothy III 518-35 Monophysite
Constantinople Anthimus 535-36 Monophysite
Alexandria Theodosius 535-38 Monophysite
Antioch Sergius c.542-c.557 Monophysite
Antioch Paul "the Black" c.557-578 Monophysite
Alexandria Damianus 570-c.605 Monophysite
Antioch Peter Callinicum 578-91 Monophysite
Constantinople Sergius 610-38 Monothelite
Antioch Anthanasius c.621-629 Monothelite
Alexandria Cyrus c.630-642 Monothelite
Constantinople Pyrrhus 638-41 Monothelite
Antioch Macedonius 640-c.655 Monothelite
Constantinople Paul II 641-52 Monothelite
Constantinople Peter 652-64 Monothelite
Antioch Macarius c.655-681 Monothelite
Constantinople John VI 711-15 Monothelite
Without divine guarantee, we see that the Gates of Hades will prevail. Mat 16:18
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