Ruth 4:5
4:5 Then Boaz said, “When you acquire the field from Naomi, you must also acquire Ruth the Moabite, the wife of our deceased relative, in order to preserve his family name by raising up a descendant who will inherit his property.”
Ruth 4:10
4:10 I have also acquired Ruth the Moabite, the wife of Mahlon, as my wife to raise up a descendant who will inherit his property so the name of the deceased might not disappear from among his relatives and from his village. You are witnesses today.”
Ruth 4:15
4:15 He will encourage you and provide for you when you are old, for your daughter-in-law, who loves you, has given him birth. She is better to you than seven sons!”