Romans 7:3
So if, while the husband is living, she is joined to another man, she will get the name of one who is untrue to her husband: but if the husband is dead, she is free from the law, so that she is not untrue, even if she takes another man.
Matthew 5:32
But I say to you that everyone who puts away his wife for any other cause but the loss of her virtue, makes her false to her husband; and whoever takes her as his wife after she is put away, is no true husband to her.
Exodus 20:14
Do not be false to the married relation.
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.
Numbers 5:13-31
By taking as her lover another man, and keeps it secret so that her husband has no knowledge of it, and there is no witness against her, and she is not taken in the act;
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.
Ruth 2:13
Then she said, May I have grace in your eyes, my lord, for you have given me comfort, and you have said kind words to your servant, though I am not like one of your servants.
1 Samuel 25:39-42
And David, hearing that Nabal was dead, said, May the Lord be praised, who has taken up my cause against Nabal for the shame which he put on me, and has kept back his servant from evil, and has sent on Nabal's head the reward of his evil-doing. And David sent word to Abigail, desiring to take her as his wife.
Mark 10:6-12
But from the first, male and female made he them.
John 8:3-5
Now the scribes and Pharisees came, with a woman who had been taken in the act of sinning against the married relation;
1 Timothy 5:11-14
But to the younger widows say No: for when their love is turned away from Christ, they have a desire to be married;