Bible Encyclopedias
Ithra

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

(Heb. Yithra', יַתְרָא , 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 1 Chronicles 2:17), and father of Amasa (David's general) by Abigail, David's sister (1 Kings 2, 5); elsewhere called JETHER (2 Samuel 17:25). B.C. ante 1023.

Bibliography Information
McClintock, John. Strong, James. Entry for 'Ithra'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​i/ithra.html. Harper & Brothers. New York. 1870.