Leviticus 20:10
And if a man has sex relations with another man's wife, even the wife of his neighbour, he and she are certainly to be put to death.
Exodus 20:14
Do not be false to the married relation.
Leviticus 18:20
And you may not have sex relations with your neighbour's wife, making yourself unclean with her.
Deuteronomy 5:18
Do not be false to the married relation.
John 8:4-5
And putting her forward, they said to him, Master, this woman has been taken in the very act of sinning against the married relation.
Deuteronomy 22:22-24
If a man is taken in the act of going in to a married woman, the two of them, the man as well as the woman, are to be put to death: so you are to put away the evil from Israel.
2 Samuel 12:13
And David said to Nathan, Great is my sin against the Lord. And Nathan said to David, The Lord has put away your sin; death will not come on you.
Ezekiel 23:45-47
And upright men will be her judges, judging her as false wives and women who take lives are judged; because she has been untrue to me and blood is on her hands.