Leviticus 18:9-11

Holman Christian Standard Bible

⁹ You are not to have sexual intercourse with your sister, either your father’s daughter or your mother’s,^(A) whether born at home or born elsewhere. You are not to have sex with her. ¹⁰ You are not to have sexual intercourse with your son’s daughter or your daughter’s daughter, because it will shame your family.^{[a] 11} You are not to have sexual intercourse with your father’s wife’s daughter,^[b] who is adopted by^[c] your father; she is your sister.