Someone descended from Ithar(?), first mentioned at 2Sa.23.38 § Ithrite = "a remnant: excellence" a descendant of Jether
STRONG'S WORD STUDY
H3505 — יִתְרִי
yit.ri · Ithrite · Hebrew/Aramaic
3 tagged verse occurrences
2 Samuel 23:38 · הַיִּתְרִ֔י · הַיִּתְרִֽי׃ סIra the Ithrite, Gareb the Ithrite,1 Chronicles 2:53 · הַיִּתְרִי֙and the families of Kirjath-Jearim: the Ithrite, and the Puhite, and the Shumathite, and the Mishraite: from these went out the Zareathite, and the Eshtaulite.1 Chronicles 11:40 · הַיִּתְרִ֔י · הַיִּתְרִֽי׃ סIra the Ithrite, Gareb the Ithrite,