A Gibeonite chief of the men who left Saul, the head of their tribe, to join David at Ziklag (1 Chronicles 12:1-4); "a mighty man among the 30 and over the 30."
Bibliography Information Fausset, Andrew Robert M.A., D.D., "Definition for 'Ismaiah' Fausset's Bible Dictionary". bible-history.com - Fausset's; 1878.