Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Onam
Usage: A man living at the time of the Patriarchs, first mentioned at Gen.36.23; son of: Shobal (H7732); brother of: Alvan (H5935), Manahath (H4506B), Ebal (H5858B) and Shepho (H8195) § Onam = "vigorous" 1) a Horite chief, grandson of Seir 2) son Jerahmeel, a chief of Judah