Leviticus 18:18-20

Revised Geneva Translation

¹⁸ ‘Also, you shall not take a wife with her sister (during her life), to be her rival in uncovering her nakedness upon her.

¹⁹ ‘You shall not also go to a woman to uncover her nakedness as long as she is isolated for her impurity.

²⁰ ‘Moreover, you shall not give yourself to your neighbor’s wife by carnal copulation, to be defiled with her.