Genesis 5:13
After he fathered Mahalalel, Kenan lived 840 years, fathering other sons and daughters.
Treasury of Scripture Knowledge
Summary
And Cainan lived after he begat Mahalaleel eight hundred and forty years, and begat sons and daughters:
And begat
Bible References
And begat
Genesis 5:4
Adam lived another 800 years, fathering other sons and daughters after he had fathered Seth.