Ishtob
Easton's Bible Dictionary 1897
Man of Tob, one of the small Syrian kingdoms which together constituted Aram (2 Sam. 10:6,8).
Smith's Bible Dictionary 1863
(men of Tob), apparently one of the small kingdoms or states which formed part of the general country of Aram, named with Zobah, Rehob and Maacah. (2 Samuel 10:6,8)