20. Adah bore Jabal; he was the father of those who dwell in tents and have cattle and purchase possessions.
21. His brother's name was Jubal; he was the father of all those who play the lyre and pipe.
22. Zillah bore Tubal-cain; he was the forger of all [cutting] instruments of bronze and iron. The sister of Tubal-cain was Naamah.
23. Lamech said to his wives, Adah and Zillah, Hear my voice; you wives of Lamech, listen to what I say; for I have slain a man [merely] for wounding me, and a young man [only] for striking and bruising me.
24. If Cain is avenged sevenfold, truly Lamech [will be avenged] seventy-sevenfold.