'Betrothed' in the Bible

The circumstances of the birth of Jesus Christ were these. After his mother Mary was betrothed to Joseph, before they were united in marriage, she was found to be with child through the Holy Spirit.

to a maiden betrothed to a man of the name of Joseph, a descendant of David. The maiden's name was Mary.

to have himself registered together with Mary, who was betrothed to him and was with child.

I am jealous over you with God's own jealousy. For I have betrothed you to Christ to present you to Him like a faithful bride to her one husband.