עֶרְוַ֨ת אֲחֽוֹתְךָ֤ בַת־אָבִ֙יךָ֙ א֣וֹ בַת־אִמֶּ֔ךָ מוֹלֶ֣דֶת בַּ֔יִת א֖וֹ מוֹלֶ֣דֶת ח֑וּץ לֹ֥א תְגַלֶּ֖ה עֶרְוָתָֽן׃ (ס)
The nakedness of thy sister, the daughter of thy father, or the daughter of thy mother, whether born at home, or born abroad, even their nakedness thou shalt not uncover. .
Targum Jonathan on Leviticus
The nakedness of thy sister, the daughter of thy father, or the daughter of thy mother, (or of her) whom, thy father begat by another wife, or of thy mother, whom thy mother bare by thy father or by another husband, thou shalt not dishonour.