Leviticus 18:12

12 You must not have sexual contact with your father's sister; she is your father's blood 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 You must not have sexual contact with your son's daughter or your daughter's daughter, because their nakedness is your own nakedness.

11 You must not have sexual contact with the daughter of your father's wife, who was born into your father's family; she is your sister.

12 You must not have sexual contact with your father's sister; she is your father's blood relative.

13 You must not have sexual contact with your mother's sister because she is your mother's blood relative.

14 You will not uncover the nakedness of your father's brother—that is, you will not approach his wife for sex; she is your aunt.