Deuteronomy 21:13
21:13 discard the clothing she was wearing when captured, and stay in your house, lamenting for her father and mother for a full month. After that you may have sexual relations with her and become her husband and she your wife.
Deuteronomy 22:14
22:14 accusing her of impropriety and defaming her reputation by saying, “I married this woman but when I had sexual relations with her I discovered she was not a virgin!”
Deuteronomy 22:22
22:22 If a man is caught having sexual relations with a married woman both the man who had relations with the woman and the woman herself must die; in this way you will purge evil from Israel.