JadaSmith's Dictionary(wise), son of Onam and brother of Shammai, in the genealogy of the sons of Jerahmeel by his wife Atarah. (1 Chronicles 2:28,32) (B.C. after 1445.)International Standard Bible Encyclopediaja'-da (yadha`, "the knowing one"): Son of Onam and grandson of Jerahmeel by his wife Atarah (1Ch 2:26,28,32).