אָר֗וּר שֹׁכֵב֙ עִם־אֵ֣שֶׁת אָבִ֔יו כִּ֥י גִלָּ֖ה כְּנַ֣ף אָבִ֑יו וְאָמַ֥ר כָּל־הָעָ֖ם אָמֵֽן׃ (ס)
Cursed be he that lieth with his father’s wife; because he hath uncovered his father’s skirt. And all the people shall say: Amen. .
Read halakhic rulings (Jewish law) on Deuteronomy 27:20: and classical halakhic sources.