Genesis 4:24
King James Version
“If Cain shall be avenged sevenfold, truly Lamech seventy and sevenfold.”
Context
21And his brother’s name Jubal: he was the father of all such as handle the harp and organ.
22And Zillah, she also bare Tubal-cain, an instructer of every artificer in brass and iron: and the sister of Tubal-cain Naamah.
23And 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.
24If Cain shall be avenged sevenfold, truly Lamech seventy and sevenfold.
25And Adam knew his wife again; and she bare a son, and called his name Seth: For God, hath appointed me another seed instead of Abel, whom Cain slew.
26And to Seth, to him also there was born a son; and he called his name Enos: then began men to call upon the name of the LORD.