Genesis 4:23-26 New International Version (NIV)

23. Lamech said to his wives, “Adah and Zillah, listen to me; wives of Lamech, hear my words. I have killed a man for wounding me, a young man for injuring me.

24. If Cain is avenged seven times, then Lamech seventy-seven times.”

25. Adam made love to his wife again, and she gave birth to a son and named him Seth, saying, “God has granted me another child in place of Abel, since Cain killed him.”

26. Seth also had a son, and he named him Enosh. At that time people began to call on the name of the Lord.

Genesis 4