Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Tubal
Usage: A man living at the time of the Patriarchs, first mentioned at Gen.10.2; son of: Japheth (H3315); brother of: Gomer (H1586), Magog (H4031), Madai (H4074), Javan (H3120), Meshech (H4902) and Tiras (H8494) § Tubal = "thou shall be brought" 1) son of Japheth and grandson of Noah n pr terr 2) a region in east Asia Minor 2a) perhaps nearly equal to Cappadocia