Int. Standard Bible Encyclopedia ISHMA ish'-ma (yishma', from the root yasham, "to lie waste," therefore meaning "desolate"): A brother of Jezreel and Idbash, "the sons of the father of Etam" (1 Chronicles 4:3). They were brothers of Hazzelelponi.

Multi-Version Concordance Ishma (1 Occurrence) 1 Chronicles 4:3 These were the sons of the father of Etam: Jezreel, and Ishma, and Idbash; and the name of their sister was Hazzelelponi; (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV)