Matthew 1:23

Epistle of Ignatius to the Ephesians

For says [the Scripture], "Behold, a virgin shall be with child, and shall bring forth a son, and He shall be called Immanuel."[128]

Epistle of Ignatius to the Antiochians

And concerning His incarnation, "Behold, a virgin shall be with Child, and shall bring forth a Son; and they shall call his name Immanuel."[13]

Irenaeus Against Heresies Book III "Behold, a virgin shall conceive, and shall bring forth a son, and they shall call his name Emmanuel; which is, being interpreted, God with us."[72]

Irenaeus Against Heresies Book III

and that the angel said to Joseph in a dream, "Now this was done, that it might be fulfilled which was spoken by Isaiah the prophet, Behold, a virgin shall be with child."[409]

Tertullian An Answer to the Jews

(which is, interpreted, "God with us"[127]

Tertullian On the Flesh of Christ

Accordingly, a virgin did conceive and bear "Emmanuel, God with us."[244]

Tertullian On the Flesh of Christ

Whereas, then, they contend that the novelty (of Christ's birth) consisted in this, that as the Word of God became flesh without the seed of a human father, so there should be no flesh of the virgin mother (assisting in the transaction), why should not the novelty rather be confined to this, that His flesh, although not born of seed, should yet have proceeded from flesh? I should like to go more closely into this discussion. "Behold," says he, "a virgin shall conceive in the womb."[290]

Tertullian On the Resurrection of the Flesh

eed, if all are figures, where will be that of which they are the figures? How can you hold up a mirror for your face, if the face nowhere exists? But, in truth, all are not figures, but there are also literal statements; nor are all shadows, but there are bodies too: so that we have prophecies about the Lord Himself even, which are clearer than the day For it was not figuratively that the Virgin conceived in her womb; nor in a trope did she bear Emmanuel, that is, Jesus, God with us.[112]

Tertullian Against Praxeas

That, therefore, had to be born which was conceived and was to be brought forth; that is to say, the Spirit, whose "name should be called Emmanuel which, being interpreted, is, God with us."[386]

Origen Against Celsus Book I

Behold, a virgin shall conceive, and bear a son, and shall call His name Immanuel, which is, being interpreted, God with us."[55]

Cyprian Treatise XII Three Books of Testimonies Against the Jews

Also in the Gospel according to Matthew: "And ye shall call His name Emmanuel, which is, being interpreted, God with us."[172]

A Treatise of Novatian Concerning the Trinity

And ye shall call His name Emmanuel; which is, interpreted, God with us."[187]

Epitome of the Divine Institutes by Lactantius

it is thus written: "Behold, a virgin shall conceive, and bear a son, and ye shall call His name Immanuel; "which, being interpreted, is God with us.[79]

Constitutions of the Holy Apostles Book V

For that He was to be born of a virgin, they read this prophecy: "Behold, a virgin shall be with child, and shall bring forth a Son, and they shall call His name Emanuel."[128]