Leviticus 18:11

You shall not uncover the nakedness of your father’s wife’s daughter , brought up in your father’s family, since she is your sister .

“‘Do not have sexual relations with the daughter of your father`s wife, born to your father; she is your sister.

The nakedness of thy father's wife's daughter, begotten of thy father, she is thy sister, thou shalt not uncover her nakedness.