Brother of evil = unlucky, or my brother is friend, chief of the tribe of Naphtali at the Exodus (Num. 1:15; 2:29).
brother of iniquity; brother of the shepherd ...
Hitchcock's Bible Names Dictionary
(brother of evil, i.e. unlucky), Chief of the tribe of Naphtali. (Numbers 1:15; 2:29; 7:78,83; 10:27...
William Smith's Bible Dictionary