2 Samuel 17:24-27

24Then David went to Mahanaim. And Absalom crossed over the Jordan, he and all the men of Israel with him.

25And Absalom made Amasa captain of the army instead of Joab. This Amasa was the son of a man whose name was Jithra, an Israelite, who had gone in to Abigail the daughter of Nahash, sister of Zeruiah, Joab’s mother.

26So Israel and Absalom encamped in the land of Gilead.

27Now it happened, when David had come to Mahanaim, that Shobi the son of Nahash from Rabbah of the people of Ammon, Machir the son of Ammiel from Lo Debar, and Barzillai the Gileadite from Rogelim,