Edom
See (Jeremiah 49:7); (Lamentations 4:22); (Ezekiel 25:12); (Obadiah 1:1); (Genesis 36:1).
( See Scofield) - (Genesis 36:1).
Related Commentaries of Psalms 137:7
Psalms 137:7
7 Remember, O LORD, the children of Edom in the day of Jerusalem; who said, Rase it, rase it, even to the foundation thereof.