Dict: strongs - Tubal
Strongs:
H8422 @ תּבל תּוּבל tûbal tûbal {too-bal'} too-bal' Probably of foreign derivation; {Tubal} a postdiluvian patriarch and his posterity: - Tubal.
H8423 @ תּוּבל קין tûbal qayin too-bal' kah'-yin Apparently from H2986 (compare H2981) and H7014; offspring of Cain; Tubal {Kajin} an antediluvian patriarch: - Tubal-cain.