Leviticus 20:11

“And the man that lieth with his father’s wife, etc.] Whether she be his mother, or another woman, as the Targum of Jonathan; that is, whether she is his own mother, or a stepmother, or whether he did this in the lifetime of his father, or after his death, or whether she was betrothed or married, it mattered not; according to the Jewish tradition f722, this is a breach of the law, (<031808>Leviticus 18:8); and a man guilty of this hath uncovered his father’s nakedness; and which is a foul and shameful piece of wickedness; the penalty follows: both of them shall be put to death; by casting stones on them, as the Targum of Jonathan adds; for, as before observed, wherever the following phrase,…”

“20:11 See study note on 18:7-8. This injunction made it clear that the crime was seen as both incest and adultery.”

“Lev 18:8; Deu 27:20, Deu 27:23; Amo 2:7; Co1 5:1 their: Lev 20:9 Leviticus 20:12”