Luke 1:35

35Andκαὶansweringἀποκριθεὶςtheὁangelἄγγελοςsaidεἶπενto herαὐτῇ·[the] SpiritΠνεῦμαHolyἅγιονwill comeἐπελεύσεταιuponἐπὶyouσέ,andκαὶpowerδύναμιςof [the] Most HighὙψίστουwill overshadowἐπισκιάσειyouσοι·thereforeδιὸalsoκαὶtheτὸbeing bornγεννώμενονHoly [One]ἅγιονwill be calledκληθήσεται,[the] Sonυἱὸςof Godθεοῦ·

And answering, the angel said to her, “The Holy Spirit will come upon you, and the power of the Most High will overshadow you; therefore also the Holy One being born will be called Son of God.