'Divorce' in the Bible

When a man taketh a wife, and marrieth her, it shall be if she find no favour in his eyes, because he hath found some unseemly thing in her, that he shall write her a letter of divorce, and give it into her hand, and send her out of his house.

And if the latter husband hate her, and write her a letter of divorce, and give it into her hand, and send her out of his house; or if the latter husband die who took her as his wife;