Leviticus 18:18-20

Tree of Life Version

¹⁸ You are not to marry your wife’s sister, to be a rival, uncovering her nakedness, while her sister is still alive.

Other Forbidden Relations

¹⁹ “You are not to approach a woman to uncover her nakedness while she is in the impurity of her niddah. ²⁰ You are not to lie sexually with your neighbor’s wife and defile yourself with her.