Leviticus 18:18-20

International Standard Version

¹⁸ “You are not to marry a woman and then have sexual relations with her sister as a rival when your wife^[a] is still alive.

¹⁹ “You are not to approach a menstruating woman to have sexual relations with her.^[b]

²⁰ “You are not to have sexual relations with your neighbor’s wife and thereby become ceremonially unclean with her.”