2 Samuel 17:25-26

25Now Absalom had set aAmasa over the army instead of Joab. Amasa was the son of a man named Ithra the Ishmaelite,
Compare 1 Chronicles 2:17; Hebrew Israelite
who had married Abigal the daughter of cNahash, sister of Zeruiah, Joab’s mother.
26And Israel and Absalom encamped in the land of Gilead.

Copyright information for ESV