5:46 And Zillah, she also bare Tubal Cain, an instructor of every artificer in brass and iron. And the sister of Tubal Cain was called Naamah.

 5:47 And Lamech said unto his wives, Adah and Zillah: Hear my voice, ye wives of Lamech, hearken unto my speech; for I have slain a man to my wounding, and a young man to my hurt.

 5:48 If Cain shall be avenged sevenfold, truly Lamech shall be seventy and seven fold;

 5:49 For Lamech having entered into a covenant with Satan, after the manner of Cain, wherein he became Master Mahan, master of that great secret which was administered unto Cain by Satan; and Irad, the son of Enoch, having known their secret, began to reveal it unto the sons of Adam;

 5:50 Wherefore Lamech, being angry, slew him, not like unto Cain, his brother Abel, for the sake of getting gain, but he slew him for the oath's sake.

 5:51 For, from the days of Cain, there was a secret combination, and their works were in the dark, and they knew every man his brother.