In this first episode of season 3, Evan and Malcolm reason over Luke 1 and the events that led up to the miraculous births of John and Jesus.

'And the angel came in unto her, and said, Hail, thou that art highly favoured, the Lord is with thee: blessed art thou among women. to a virgin espoused to a man whose name was Joseph, of the house of David; and the virgin's name was Mary. And in the sixth month the angel Gabriel was sent from God unto a city of Galilee, named Nazareth, '  Luke 1:26-28 https://my.bible.com/bible/1/LUK.1.26-28