Lev Leviticus, chapter Book of Leviticus, chapter 20
Punishments for Sexual Immorality
If a man commits adultery with another man’s wife— with the wife of his neighbor— both the adulterer and the adulteress must surely be put to death.
If a man commits adultery with another man’s wife— with the wife of his neighbor— both the adulterer and the adulteress must surely be put to death.