her first husband who divorced her is not permitted to remarry ¹  her after she has become ritually impure, for that is offensive to the Lord. ²  You must not bring guilt on the land ³  which the Lord your God is giving you as an inheritance.

If brothers live together and one of them dies without having a son, the dead man’s wife must not remarry someone outside the family. Instead, her late husband’s brother must go to her, marry her, ¹  and perform the duty of a brother-in-law. ²