Leviticus 20:20-22

New Catholic Bible

²⁰ A man shall not have sex with his uncle’s wife, for he shall have laid bare his uncle’s nakedness. They shall bear their guilt and die childless. ²¹ It is unclean for a man to marry his brother’s wife for he shall have uncovered his brother’s nakedness. They shall be childless.

²² “ ‘You shall therefore observe all of my statutes and ordinances and obey them, so that the land to which I am bringing you to dwell in will not vomit you out.