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.
5
If brothers are living together and one of them dies without a son, his widow must not marry outside the family. Her husband’s brother shall take her and marry her and fulfill the duty of a brother-in-law to her.