Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Regem
Usage: A man of the tribe of Judah living at the time of Divided Monarchy, only mentioned at 1Ch.2.47; son of Caleb (H3612H) and Jahdai (H3056); brother of: Jotham (H3147I), Geshan (H1529), Pelet (H6404), Ephah (H5891I) and Shaaph (H8174) § Regem = "friend" son of Jahdai and descendant of Caleb