Deuteronomy 25:5-6

Laws Concerning Levirate Marriage

5 aIf brothers dwell together, and one of them dies and has no son, the wife of the dead man shall not be married outside the family to a stranger. Her bhusband’s brother shall go in to her and take her as his wife and perform the duty of a husband’s brother to her. 6And the first son whom she bears shall succeed to the name of his dead brother, that chis name may not be blotted out of Israel.
Copyright information for ESV