2 Samuel 17:25 And Absalom put Amasa at the head of the army in place of Joab. Now Amasa was the son of a man named Ithra the Ishmaelite, who had been the lover of Abigail, the daughter of Jesse, sister of Zeruiah, Joab's mother. (BBE)
1 Chronicles 2:17 Abigail bore Amasa; and the father of Amasa was Jether the Ishmaelite. (WEB JPS ASV BBE DBY WBS NAS NIV)
1 Chronicles 27:30 and over the camels was Obil the Ishmaelite: and over the donkeys was Jehdeiah the Meronothite: and over the flocks was Jaziz the Hagrite. (WEB KJV JPS ASV BBE DBY WBS NAS NIV)