Deuteronomy 25:6

6And the first son whom she bears shall succeed to the name of his dead brother, that ahis name may not be blotted out of Israel.

Ruth 4:5

5Then Boaz said, “The day you buy the field from the hand of Naomi, you also acquire Ruth
Masoretic Text you also buy it from Ruth
the Moabite, the widow of the dead, in order cto perpetuate the name of the dead in his inheritance.”

Ruth 4:10

10Also Ruth the Moabite, the widow of Mahlon, I have bought to be my wife, dto perpetuate the name of the dead in his inheritance, that the name of the dead may not be cut off from among his brothers and from the gate of his native place. You are witnesses this day.”
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