Boyd’s Bible Dictionary:
(father of help). A Manassite (Num. 26:30). Abiezer, elsewhere.
Concise Bible Dictionary:
Son of Gilead and his descendants (Num. 26:30). Apparently the same as ABIEZER and ABIEZRITES in Joshua 17:2; Judges 6:11, and more (one letter being omitted).
Jackson’s Dictionary of Scripture Proper Names:
patronymic of Jeezer