Ruth 4:5, 10

Then Boaz said, “On the day you buy the land from Naomi, you also acquire Ruth the Moabite, the dead man’s widow, in order to maintain the name of the dead with his property.”

I have also acquired Ruth the Moabite, Mahlon’s widow, as my wife, in order to maintain the name of the dead with his property, so that his name will not disappear from among his family or from his hometown. Today you are witnesses!”