Leviticus 18:16

עֶרְוַת אֵשֶׁת אָחִיךָ לֹא תְגַלֵּה עֶרְוַת אָחִיךָ הִוא

King James Version (KJV)

Do not have sexual relations with your brother's wife; that would dishonor your brother

Modern English

“‘You shall not uncover the nakedness of your brother’s wife. It is your brother’s nakedness.