Deuteronomy 27:20

20 Cursed is he that lies with his father’s wife because he uncovers his father’s skirt. And all the people shall say, Amen.

Deuteronomy 27:20 Meaning and Commentary

Deuteronomy 27:20

Cursed [be] he that lieth with his father's wife
As Reuben did, and which is forbidden ( Leviticus 18:8 ) ; because he uncovereth his father's skirt;
see ( Deuteronomy 22:30 ) ; and all the people shall say Amen;
the tribe of Reuben said this as well as the rest.

Deuteronomy 27:20 In-Context

18 Cursed is he that makes the blind to err in the way. And all the people shall say, Amen.

19 Cursed is he that twists the rights of the stranger, the fatherless, and the widow. And all the people shall say, Amen.

20 Cursed is he that lies with his father’s wife because he uncovers his father’s skirt. And all the people shall say, Amen.

21 Cursed is he that lies with any manner of beast. And all the people shall say, Amen.

22 Cursed is he that lies with his sister, the daughter of his father or the daughter of his mother. And all the people shall say, Amen.