Now Absalom had appointed Amasa over the army in Joab’s place. Amasa was the son of a man named Ithra the Israelite; Ithra had married Abigail daughter of Nahash. Abigail was a sister to Zeruiah, Joab’s mother.
When David came to Mahanaim, Shobi son of Nahash from Rabbah of the Ammonites, Machir son of Ammiel from Lo-debar, and Barzillai the Gileadite from Rogelim
This was the allotment for the tribe of Manasseh as Joseph’s firstborn. Gilead and Bashan came to Machir, the firstborn of Manasseh and the father of Gilead, who was a man of war.