1 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
5:10And in the days of Saul they made war with the Hagarites, who fell by their hand; and they dwelt in their tents throughout the east side of Gilead.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.