And the angel answered and said to her: The Holy Spirit will come upon you, and the power of the Most High will overshadow you; for which reason, also, that which is begotten, being holy, shall be called the Son of God.

But Jesus Christ was begotten thus: After his mother Mary had been betrothed to Joseph, before they had come together, she was found to be with child of the Holy Spirit.

But while he was thinking of these things, behold, an angel of the Lord appeared to him in a dream, saying: Joseph, son of David, fear not to take home Mary your wife; for that which is begotten in her is of the Holy Spirit.