You are not to have sexual intercourse with your daughter-in-law. She is your son’s wife; you are not to have sex with her.

If a man sleeps with his daughter-in-law, both of them must be put to death. They have acted perversely; their blood is on their own hands.

You are not to have sexual intercourse with a woman and her daughter. You are not to marry her son’s daughter or her daughter’s daughter and have sex with her. They are close relatives; it is depraved.

You are not to have sexual intercourse with your son’s daughter or your daughter’s daughter, because it will shame your family.

If a man marries his sister, whether his father’s daughter or his mother’s daughter, and they have sexual relations, it is a disgrace. They must be cut off publicly from their people. He has had sexual intercourse with his sister; he will bear his punishment.