Luke 20:28
and they asked him, saying, Teacher, Moses wrote unto us, that if a man's brother die, having a wife, and he be childless, his brother should take the wife, and raise up seed unto his brother.
Genesis 38:8
And Judah said unto Onan, Go in unto thy brother's wife, and perform the duty of a husband's brother unto her, and raise up seed to thy brother.
Genesis 38:11
Then said Judah to Tamar his daughter-in-law, Remain a widow in thy father's house, till Shelah my son be grown up; for he said, Lest he also die, like his brethren. And Tamar went and dwelt in her father's house.
Genesis 38:26
And Judah acknowledged them, and said, She is more righteous than I; forasmuch as I gave her not to Shelah my son. And he knew her again no more.
Deuteronomy 25:5-10
If brethren dwell together, and one of them die, and have no son, the wife of the dead shall not be married without unto a stranger: her husband's brother shall go in unto her, and take her to him to wife, and perform the duty of a husband's brother unto her.
Ruth 1:11-12
And Naomi said, Turn again, my daughters: why will ye go with me? have I yet sons in my womb, that they may be your husbands?