Deuteronomy 22:22-27

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.

22:23 If a virgin is engaged to a man and another man meets her in the city and has sexual relations with her, 22:24 you must bring the two of them to the gate of that city and stone them to death, the young woman because she did not cry out though in the city and the man because he violated his neighbor’s fiancée; in this way you will purge evil from among you. 22:25 But if the man came across the engaged woman in the field and overpowered her and raped her, then only the rapist must die. 22:26 You must not do anything to the young woman – she has done nothing deserving of death. This case is the same as when someone attacks another person and murders him, 22:27 for the man met her in the field and the engaged woman cried out, but there was no one to rescue her.

Matthew 1:18-19

The Birth of Jesus Christ

1:18 Now the birth of Jesus Christ happened this way. While his mother Mary was engaged to Joseph, but before they came together, she was found to be pregnant through the Holy Spirit. 1:19 Because Joseph, her husband to be, was a righteous man, and because he did not want to disgrace her, he intended to divorce her privately.