6 "It shall be that the firstborn whom she bears shall assume the name of his dead brother , so that his name will not be blotted out from Israel .

Matthew Henry's Commentary on Deuteronomy 25:6

Commentary on Deuteronomy 25:5-12

(Read Deuteronomy 25:5-12)

The custom here regulated seems to have been in the Jewish law in order to keep inheritances distinct; now it is unlawful.