“You shall not uncover the nakedness of your sister, the daughter of your father, or the daughter of your mother, whether born at home or born abroad.”
Leviticus 18:9 (WEB)
Context Reading
7“‘You shall not uncover the nakedness of your father, nor the nakedness of your mother: she is your mother. You shall not uncover her nakedness. 8“‘You shall not uncover the nakedness of your father’s wife. It is your father’s nakedness. 9“‘You shall not uncover the nakedness of your sister, the daughter of your father, or the daughter of your mother, whether born at home or born abroad. 10“‘You shall not uncover the nakedness of your son’s daughter, or of your daughter’s daughter, even their nakedness; for theirs is your own nakedness. 11“‘You shall not uncover the nakedness of your father’s wife’s daughter, conceived by your father, since she is your sister.