2 Samuel 17:24-27

24Meanwhile David had gone to Mahanaim, while Absalom and all the men of Israel had crossed the Jordan River.

25Absalom had made Amasa general in command of the army in place of Joab. (Now Amasa was the son of an Israelite man named Jether, who had married Abigail the daughter of Nahash and sister of Zeruiah, Joab’s mother.)

26The army of Israel and Absalom camped in the land of Gilead.

27When David came to Mahanaim, Shobi the son of Nahash from Rabbah of the Ammonites, Makir the son of Ammiel from Lo Debar, and Barzillai the Gileadite from Rogelim