Mark 10:11
And he said to them, Whoever puts away his wife and takes another, is false to his wife;
Luke 16:18
Everyone who puts away his wife and takes another, is a false husband: and he who is married to a woman whose husband has put her away, is no true husband to her.
Matthew 5:31-32
Again, it was said, Whoever puts away his wife has to give her a statement in writing for this purpose:
Matthew 19:9
And I say to you, Whoever puts away his wife for any other cause than the loss of her virtue, and takes another, is a false husband: and he who takes her as his wife when she is put away, is no true husband to her.
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.
1 Corinthians 7:4
The wife has not power over her body, but the husband; and in the same way the husband has not power over his body, but the wife.
1 Corinthians 7:10-11
But to the married I give orders, though not I but the Lord, that the wife may not go away from her husband
Hebrews 13:4
Let married life be honoured among all of you and not made unclean; for men untrue in married life will be judged by God.