Now in those days a decree went out from Caesar Augustus to register all the empire for taxes. This was the first registration, taken when Quirinius was governor of Syria. Everyone went to his own town to be registered. So Joseph also went up from the town of Nazareth in Galilee to Judea, to the city of David called Bethlehem, because he was of the house and family line of David. He went to be registered with Mary, who was promised in marriage to him, and who was expecting a child.
~Doctor Luke, Luke 2:1-5
The angel Gabriel was sent by God to a town of Galilee called Nazareth, to a virgin engaged to a man whose name was Joseph, a descendant of David, and the virgin’s name was Mary. The angel came to her and said, “Greetings, favored one, the Lord is with you!” But she was greatly troubled by his words and began to wonder about the meaning of this greeting. So the angel said to her, “Do not be afraid, Mary, for you have found favor with God! Listen: You will become pregnant and give birth to a son, and you will name him Jesus. He will be great, and will be called the Son of the Most High, and the Lord God will give him the throne of his father David. He will reign over the house of Jacob forever, and his kingdom will never end.” Mary said to the angel, “How will this be, since I have not had relations with a man?” The angel replied, “The Holy Spirit will come upon you, and the power of the Most High will overshadow you. Therefore the child to be born will be holy; he will be called the Son of God.
~Gabriel and Mary, Luke 1:26-35