5 Then said Boaz, What day thou buyest the field of the hand of Naomi, thou must buy it also of Ruth the Moabitess, the wife of the dead, to raise up the name of the dead upon his inheritance.
Ruth 4:5 Cross References - Webster
Genesis 38:8
8 And Judah said to Onan, Go in to thy brother's wife, and marry her, and raise up seed to thy brother.
Deuteronomy 25:5-6
5 If brethren shall dwell together, and one of them shall 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 for a wife, and perform the duty of a husband's brother to her.
6 And it shall be, that the first-born which she beareth, shall succeed in the name of his brother who is dead, that his name may not become extinct in Israel.
Ruth 3:12-13
12 And now it is true that I am thy near kinsman: yet there is a kinsman nearer than I.
13 Tarry this night, and it shall be in the morning, that if he will perform to thee the part of a kinsman, well; let him do the kinsman's part: but if he will not do the part of a kinsman to thee, then will I do the part of a kinsman to thee, as the LORD liveth: lie down until the morning.
Matthew 22:24
24 Saying, Master, Moses said, If a man shall die, having no children, his brother shall marry his wife, and raise up seed to his brother.
Luke 20:28
28 Saying, Master, Moses wrote to us, If any man's brother should die, having a wife, and he should die without children, that his brother should take his wife, and raise up seed to his brother.