Now Absalom had set Amasa over the army in the place of Joab. Amasa was the son of a man named Ithra the Ishmaelite, who had married Abigal daughter of Nahash, sister of Zeruiah, Joab’s mother.
When David came to Mahanaim, Shobi son of Nahash from Rabbah of the Ammonites, and Machir son of Ammiel from Lo-debar, and Barzillai the Gileadite from Rogelim
Then allotment was made to the tribe of Manasseh, for he was the firstborn of Joseph. To Machir the firstborn of Manasseh, the father of Gilead, were allotted Gilead and Bashan, because he was a warrior.