5 If brothers live together and one of them dies without having a son, the dead man's wife must not go outside the family and marry a stranger. Instead, her brother-in-law should go to her and take her as his wife. He will then consummate the marriage according to the brother-in-law's duty.
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.