Leviticus 18:7-9

New Living Translation

⁷ “Do not violate your father by having sexual relations with your mother. She is your mother; you must not have sexual relations with her.

⁸ “Do not have sexual relations with any of your father’s wives, for this would violate your father.

⁹ “Do not have sexual relations with your sister or half sister, whether she is your father’s daughter or your mother’s daughter, whether she was born into your household or someone else’s.