Lev Leviticus, chapter Book of Leviticus, chapter 20
And the man that commits adultery with [another] man’s wife, [even he] that commits adultery with his neighbour’s wife, the adulterer and the adulteress shall surely be put to death.
And the man that commits adultery with [another] man’s wife, [even he] that commits adultery with his neighbour’s wife, the adulterer and the adulteress shall surely be put to death.