“This is the account of the true faith everywhere professed. So shall we find that the holy fathers believed. So have they dared to call the holy virgin, mother of God, not as though the nature of the Word or his godhead received the origin of their being from the holy virgin, but because there was born from her his holy body rationally ensouled, with which the Word was hypostatically united and is said to have been begotten in the flesh. These things I write out of love in Christ exhorting you as a brother and calling upon you before Christ and the elect angels, to hold and teach these things with us, in order to preserve the peace of the churches and that the priests of God may remain in an unbroken bond of concord and love.” Pope St. Gelasius, in his epistle 42, or decretal “De recipiendis et non recipiendis libris,” 495 A.D. confirms the Council of Ephesus  (Council of Ephesus, Second letter of Cyril to Nestorius)