Boyd’s Bible Dictionary:
(help). A Naphtalite (Gen. 46:24); founder of Jezerites (Num. 26:49).
Concise Bible Dictionary:
Third son of Naphtali, and his descendants (Gen. 46:24; Num. 26:49; 1 Chron. 7:13).
Jackson’s Dictionary of Scripture Proper Names:
patronymic of Jezer