JezerSmith's Dictionary(power), the third son of Naphtali, (Genesis 46:24; Numbers 26:49; 1 Chronicles 7:13) and father of the family of Jezerites.International Standard Bible Encyclopediaje'-zer (yecher, "form" or "purpose"): A "son" of Naphtali (Ge 46:24; Nu 26:49; 1Ch 7:13).