Leviticus 18:7-9

Holman Christian Standard Bible

⁷ You are not to shame your father^(A) by having sex with your mother. She is your mother; you must not have sexual intercourse with her. ⁸ You are not to have sex with your father’s wife;^(B) it will shame your father.^{(C) 9} You are not to have sexual intercourse with your sister, either your father’s daughter or your mother’s,^(D) whether born at home or born elsewhere. You are not to have sex with her.