¶ And Absalom made Amasa captain of the host instead of Joab: which Amasa [was] a man’s son, whose name [was] Ithra an Israelite, that went in to Abigail the daughter of Nahash, sister to Zeruiah Joab’s mother.
Berean Study Bible (BSB) - 2 Samuel 17:25 >Absalom had appointed Amasa over the army in place of Joab. Amasa was the son of a man named Ithra, the Ishmaelite who had married Abigail, the daughter of Nahash and sister of Zeruiah the mother of Joab.