Do not have sexual relations with your mother

'You shall not uncover the nakedness of your father, that is, the nakedness of your mother. She is your mother; you are not to uncover her nakedness.

Hebrew

ז עֶרְוַת אָבִיךָ וְעֶרְוַת אִמְּךָ, לֹא תְגַלֵּה: אִמְּךָ הִוא, לֹא תְגַלֶּה עֶרְוָתָהּ. {ס}

Greek

7 ἀσχημοσύνην πατρός σου καὶ ἀσχημοσύνην μητρός σου οὐκ ἀποκαλύψεις· μήτηρ γάρ σού ἐστιν, καὶ οὐκ ἀποκαλύψεις τὴν ἀσχημοσύνην αὐτῆς.

• Parashah: Acharei Mot
• Sefer HaChinuch: 190
• Mishneh Torah: Holiness — Forbidden Sexual Relations

• Leviticus 18:7

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