Lev Leviticus, chapter Book of Leviticus, chapter 20
If any man after marrying the daughter, marry her mother, he hath done a heinous crime: he shall be burnt alive with them: neither shall so great an abomination remain in the midst of you.
If any man after marrying the daughter, marry her mother, he hath done a heinous crime: he shall be burnt alive with them: neither shall so great an abomination remain in the midst of you.