Genesis 5:12 in the King James Version
And Cainan lived seventy years, and begat Mahalaleel:
Context
11 All of the days of Enosh were nine hundred five years, then he died.
12 Kenan lived seventy years, then became the father of Mahalalel.
13 Kenan lived after he became the father of Mahalalel eight hundred forty years, and became the father of other sons and daughters