2 Samuel 17:24-27

24David soon arrived at Mahanaim. By now, Absalom had mobilized the entire army of Israel and was leading his troops across the Jordan River.

25Absalom had appointed Amasa as commander of his army, replacing Joab, who had been commander under David. (Amasa was Joab’s cousin. His father was Jether, an Ishmaelite. His mother, Abigail daughter of Nahash, was the sister of Joab’s mother, Zeruiah.)

26Absalom and the Israelite army set up camp in the land of Gilead.

27When David arrived at Mahanaim, he was warmly greeted by Shobi son of Nahash, who came from Rabbah of the Ammonites, and by Makir son of Ammiel from Lo-debar, and by Barzillai of Gilead from Rogelim.