Genesis 4:26 WEB

²⁴  If Cain will be avenged seven times, Truly Lamech seventy-seven times.'

²⁵  Adam knew his wife again. She gave birth to a son, and named him Seth. For, she said, 'God has appointed me another child instead of Abel, for Cain killed him.'

²⁶  There was also born a son to Seth, and he named him Enosh. Then men began to call on Yahweh's name.