Romans 7:1-3

Now, dear brothers and sisters—you who are familiar with the law—don’t you know that the law applies only while a person is living? For example, when a woman marries, the law binds her to her husband as long as he is alive. But if he dies, the laws of marriage no longer apply to her. So while her husband is alive, she would be committing adultery if she married another man. But if her husband dies, she is free from that law and does not commit adultery when she remarries.