Mark 12:19
"Master, Moses wrote unto us, if any man's brother die, and leave his wife behind him, and leave no children: that then his brother should take his wife, and raise up seed unto his brother.
Genesis 38:8
Then said Judah unto Onan, go in to thy brother's wife and marry her, and stir up seed unto thy brother.
Deuteronomy 25:5-10
When brethren dwell together and one of them die and have no child, the wife of the dead shall not be given out unto a stranger: but her brother-in-law shall go in unto her and take her to wife and marry her.
Ruth 1:11-13
But Naomi said, "Turn again my daughters: for what cause would you go with me? Think you that there be any more children in my bowels to be your husbands?
Ruth 4:5
Then said Boaz, "What day thou buyest the field of the hand of Naomi, thou must take also Ruth the Moabite the wife of the dead, to stir up the name of the dead upon his inheritance."