“Ye shall therefore keep all my statutes, and all my judgments, and do them: that the land, whither I bring you to dwell therein, spue you not out.”
King James Version (KJV)
20:20 They shall die childless - Either shall be speedily cut off ere they can have a child by that incestuous conjunction; if this seem a less crime than most of the former incestuous mixtures, and therefore the magistrate forbear to punish it with death; yet they shall either have no children from such an unlawful bed, or their children shall die before them.
20:21 His brother's wife - Except in the case allowed by God, #Deu 25:5|.