Leviticus 18:10-12

Complete Jewish Bible

¹⁰ You are not to have sexual relations with your son’s daughter or with your daughter’s daughter. Do not have sexual relations with them, because their sexual disgrace will be your own. ¹¹ You are not to have sexual relations with your father’s wife’s daughter, born to your father, because she is your sister; do not have sexual relations with her. ¹² You are not to have sexual relations with your father’s sister, because she is your father’s close relative.