Deuteronomy 27:20

20 "May any man who has sex with his stepmother be under the LORD's curse. That man brings shame on his father by doing that." Then all of the people will 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 "May anyone who leads blind people down the wrong road be under the LORD's curse." Then all of the people will say, "Amen!"

19 "May anyone who isn't fair in the way he treats outsiders, widows, and children whose fathers have died be under the LORD's curse." Then all of the people will say, "Amen!"

20 "May any man who has sex with his stepmother be under the LORD's curse. That man brings shame on his father by doing that." Then all of the people will say, "Amen!"

21 "May anyone who has sex with animals be under the LORD's curse." Then all of the people will say, "Amen!"

22 "May any man who has sex with his sister be under the LORD's curse. It doesn't matter whether she is his full sister or his half sister." Then all of the people will say, "Amen!"