If brothers dwell together, and one of them dies and has no child, the wife of the dead shall not marry outside to a stranger; her husband's brother shall go to her and take her as his wife, and perform the duty of a husband's brother to her.
If brethren dwell together, and one of them die, and have no child, the wife of the dead shall not marry 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 an husband's brother unto her.