TSK · Mark 10:11

When she is departed out of his house, she may go and be another man's [wife].

I tell you that whoever divorces his wife, except for sexual immorality, and marries another, commits adultery; and he who marries her when she is divorced commits adultery."

So then if, while the husband lives, she is joined to another man, she would be called an adulteress. But if the husband dies, she is free from the law, so that she is no adulteress, though she is joined to another man.

But to the married I command--not I, but the Lord--that the wife not leave her husband