“A Saudi court has sentenced a man to six years in prison and 4,750 lashes for having sex with his wife’s sister,” the AP reports.

The woman involved in the case was sentenced to six months in jail and 65 lashes, the paper Al-Eqtisadiah reported, though the court found she had not consented to the relationship. She had also reported the affair to the police.

Having a relationship with one’s in-law is considered a serious offense under the strict Islamic judicial code that Saudi Arabia follows.

Related: A Saudi man who foils a theft has his hand lopped off by “strict-but-grateful” authorities; the son of the Saudi sex offender sentenced to lashings gets straight A’s in UC-Berkeley”de-cal” program for having sex with his sister’s roomate.

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