1 Chronicles 5:9-11

Young's Literal Translation

⁹ and at the east he dwelt even unto the entering in of the wilderness, even from the river Phrat, for their cattle were multiplied in the land of Gilead.

¹⁰ And in the days of Saul they have made war with the Hagarites, who fall by their hand, and they dwell in their tents over all the face of the east of Gilead.

¹¹ And the sons of Gad, over-against them have dwelt in the land of Bashan unto Salcah,