עֶרְוַ֥ת אֲחוֹת־אָבִ֖יךָ לֹ֣א תְגַלֵּ֑ה שְׁאֵ֥ר אָבִ֖יךָ הִֽוא׃ (ס)
Thou shalt not uncover the nakedness of thy father’s sister: she is thy father’s near kinswoman.
Targum Jonathan on Leviticus
The nakedness of thy father's sister thou shalt not dishonour; she is of kin to thy father's flesh.