Do not have sexual relations with your son's wife

'You shall not uncover the nakedness of your daughter-in-law; she is your son's wife, you shall not uncover her nakedness.

Hebrew

טו עֶרְוַת כַּלָּתְךָ, לֹא תְגַלֵּה: אֵשֶׁת בִּנְךָ הִוא, לֹא תְגַלֶּה עֶרְוָתָהּ. {ס}

Greek

15 ἀσχημοσύνην νύμφης σου οὐκ ἀποκαλύψεις· γυνὴ γὰρ υἱοῦ σού ἐστιν, οὐκ ἀποκαλύψεις τὴν ἀσχημοσύνην αὐτῆς.

• Parashah: Acharei Mot
• Sefer HaChinuch: 201
• Mishneh Torah: Holiness — Forbidden Sexual Relations

• Leviticus 18:15

Enumeration and classification from BibleData. The Greek is the Septuagint reading of the same verse, carried by the source for comparison.