In the days of Herod king of Judaea there was a priest called Zechariah, who belonged to the division of Abijah; he had a wife who belonged to the daughters of Aaron, and her name was Elizabeth.
The angel answered her, "The holy Spirit will come upon you, the power of the Most High will overshadow you; hence what is born will be called holy, Son of God.
It was by faith that even Sara got strength to conceive, bearing a son when she was past the age for it — because she considered she could rely on Him who gave the promise.