Deuteronomy 25:5,6
If brothers dwell together, and one of them die, and have no child, the wife of the dead shall not marry without to a stranger: her husband's brother shall go in to her, and take her to him to wife, and perform the duty of an husband's brother to her.
Torrey's Topical Textbook—AKJV

Ruth 3:10-13
And he said, Blessed be you of the LORD, my daughter: for you have showed more kindness in the latter end than at the beginning, inasmuch as you followed not young men, whether poor or rich.
Torrey's Topical Textbook—AKJV

Ruth 4:4,5
And I thought to advertise you, saying, Buy it before the inhabitants, and before the elders of my people. If you will redeem it, redeem it: but if you will not redeem it, then tell me, that I may know: for there is none to redeem it beside you; and I am after you. And he said, I will redeem it.
Torrey's Topical Textbook—AKJV

Matthew 22:24-26
Saying, Master, Moses said, If a man die, having no children, his brother shall marry his wife, and raise up seed to his brother.
Torrey's Topical Textbook—AKJV