Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Leviticus 18:17

The nakedness of a woman and her daughter shalt thou not uncover; her son's daughter, and her daughter's daughter, shalt thou not take, to uncover their nakedness, for they are thy kinswomen: it is impiety.

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