'Sister' in the Bible
The nakedness of thy sister, the daughter of thy father, or daughter of thy mother, born at home, or born abroad their nakedness shalt thou not uncover.
The nakedness of thy father's wife's daughter, begotten of thy father: she is thy sister: thou shalt not uncover her nakedness.
The nakedness of thy father's sister shalt thou not uncover: she is thy father's near relation.
The nakedness of thy mother's sister shalt thou not uncover; for she is thy mother's near relation.
And thou shalt not take a wife to her sister, to vex her, to uncover her nakedness beside her, during her life.
And if a man take his sister, his father's daughter, or his mother's daughter, and see her nakedness, and she see his nakedness, that is a disgrace; and they shall be cut off before the eyes of the children of their people: he hath uncovered his sister's nakedness; he shall bear his iniquity.
And the nakedness of thy mother's sister, and of thy father's sister shalt thou not uncover; for he hath laid naked his near relation: they shall bear their iniquity.
and for his sister, a virgin, that is near unto him, who hath had no husband, for her may he make himself unclean.