Regem
The name Regem means “that stones or is stoned; purple”.
Smith's Bible Dictionary 1863
(friend) a son of Jahdai. (1 Chronicles 2:47)
International Standard Bible Encyclopedia 1915
re'-gem (reghem, "friend" (?)): A Calebite, the son of Jahdai (1Ch 2:47), mentioned as the eponym of a Calebite family or clan.