Leviticus 18:12

12 “Do not have sexual relations with your father’s sister, for she is your father’s close relative.

Leviticus 18:12 Meaning and Commentary

Leviticus 18:12

Thou shalt not uncover the nakedness of thy father's sister,
&c.] His aunt by his father's side, an instance of which we have in Amram, ( Exodus 6:20 ) ; and Maimonides says ^F9, an aunt was forbidden whether she was a father's sister in lawful wedlock or in fornication: she [is] thy father's near kinswoman;
or, the rest of thy father ^F11; the residue of his flesh, one of the same flesh and blood with him; wherefore, as he could not marry her himself, so his son likewise was too near akin to enter into such a relation with her.

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FOOTNOTES:

F9 Hilchot Issure Biah, c. 2. sect. 5.
F11 (Kyba rav) "reliquiarum patris tui", Tigurine version.

Leviticus 18:12 In-Context

10 “Do not have sexual relations with your granddaughter, whether she is your son’s daughter or your daughter’s daughter, for this would violate yourself.

11 “Do not have sexual relations with your stepsister, the daughter of any of your father’s wives, for she is your sister.

12 “Do not have sexual relations with your father’s sister, for she is your father’s close relative.

13 “Do not have sexual relations with your mother’s sister, for she is your mother’s close relative.

14 “Do not violate your uncle, your father’s brother, by having sexual relations with his wife, for she is your aunt.