27 To a virgin engaged to a man named Joseph, of the house of David; and the virgin's name was Mary.
4 And Joseph also went up from Galilee out of the city of Nazareth into Judea, to David's city, which is called Bethlehem, because he was of the house and family of David,
18 Now the origin of Jesus Christ was in this way: His mother, Mary, after she had been engaged to Joseph, before they came together, was found to be with child of the Holy Spirit.
cf. Luke 3:23
23 And He, Jesus, when He began to minister, was about thirty years old, being, so it was thought, the son of Joseph, the son of Heli,