Genesis 5:13

And after the birth of Mahalalel, Kenan went on living for eight hundred and forty years, and had sons and daughters:

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And Cainan lived after he begat Mahalaleel eight hundred and forty years, and begat sons and daughters:

And after the birth of Seth, Adam went on living for eight hundred years, and had sons and daughters:

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain