TSK
Treasury of Scripture Knowledge references in NET.
For this reason the Lord himself will give you a confirming sign. Look, this young woman is about to conceive and will give birth to a son. You, young woman, will name him Immanuel.
and Jacob the father of Joseph, the husband of Mary, by whom Jesus was born, who is called Christ.
When he had contemplated this, an angel of the Lord appeared to him in a dream and said,“Joseph, son of David, do not be afraid to take Mary as your wife, because the child conceived in her is from the Holy Spirit.
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.