Marriage: The Jews were Allowed Divorce From, Because of Hardness of Their
Source: TTT
Deuteronomy 24:1
If a man marries a woman, but she becomes displeasing to him because he finds some indecency in her, he may write her a certificate of divorce, hand it to her, and send her away from his house.
Matthew 19:7, 8
“Why then,” they asked, “did Moses order a man to give his wife a certificate of divorce and send her away?” / Jesus replied, “Moses permitted you to divorce your wives because of your hardness of heart; but it was not this way from the beginning.