What is commandment #141 of the 613 commandments?

Commandment #141 is a negative commandment from Leviticus 18:9: "Do not have sexual relations with your sister." It belongs to the category of Forbidden Sexual Relationships.

Where is commandment #141 found in the Bible?

This commandment is found in Leviticus 18:9, in the book of Leviticus.

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Negative Commandment #141 of 613

Do not have sexual relations with your sister

Commandment #141 — a prohibition from Leviticus 18:9, classified under Forbidden Sexual Relationships in the 613 commandments of the Torah.

Scripture

“The nakedness of your sister, either your father's daughter or your mother's daughter, whether born at home or born outside, their nakedness you shall not uncover.”

— Leviticus 18:9

Hebrew

ט עֶרְוַת אֲחוֹתְךָ בַת-אָבִיךָ, אוֹ בַת-אִמֶּךָ, מוֹלֶדֶת בַּיִת, אוֹ מוֹלֶדֶת חוּץ--לֹא תְגַלֶּה, עֶרְוָתָן. {ס}

Greek (Septuagint)

9 ἀσχημοσύνην τῆς ἀδελφῆς σου ἐκ πατρός σου ἢ ἐκ μητρός σου, ἐνδογενοῦς ἢ γεγεννημένης ἔξω, οὐκ ἀποκαλύψεις ἀσχημοσύνην αὐτῆς.