Ith'ra (Heb. Yithra', יַתרָא, excellence; Sept. Ι᾿εθερ Vulg. Jetra), an Israelite (probably an error of transcription [see Thenius, Comment. ad loc.]; a Jezreelite, according to the Sept. and Vulg.; but [more correctly] an Ishmaelite, according to 1Ch 2:17), and father of Amasa (David's general) by Abigail, David's sister (1Ki 2; 1Ki 5); elsewhere called JETHER (2Sa 17:25). B.C. ante 1023.