Luke 2:5 in the King James Version
To be taxed with Mary his espoused wife, being great with child.
Context
4 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,
5 to enroll himself with Mary, who was pledged to be married to him as wife, being pregnant.
6 While they were there, the day had come for her to give birth.