Let Nestorius then cease to say that the Virgin’s Son is only man, and to deny that He is taken up by the Word of God into the unity of the Person. For the Angel when he says that the very same has David for His father whom he declares is called the Son of the Highest, demonstrates the one Person of Christ in two natures. The Angel uses the future tense (vocabitur, regnabit) not because, as the Heretics say, Christ was not before Mary, but because in the same person, man with God shares the same name of Son.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).