Cross reference
Genesis 15:20
20 and the Hittite, and the Perizzite, and the Rephaim,
Genesis 14:5
5 And in the fourteenth year came Chedorlaomer, and the kings that were with him, and smote the Rephaim in Ashteroth-karnaim, and the Zuzim in Ham, and the Emim in Shaveh-kiriathaim,
Isaiah 17:5
5 And it shall be as when the harvestman gathereth the standing grain, and his arm reapeth the ears; yea, it shall be as when one gleaneth ears in the valley of Rephaim.