Genesis 5:13

13 Kenan lived 840 years after the birth of Mahalalel, and he fathered sons and daughters.

Genesis 5:13 Meaning and Commentary

Genesis 5:13

And Cainan lived, after he begat Mahalaleel, eight hundred
and forty years
The Septuagint has seven hundred and forty, which, added to the years given him before, makes the same sum:

and begat sons and daughters;
as his progenitors did.

Genesis 5:13 In-Context

11 So Enosh's life lasted 905 years; then he died.

12 Kenan was 70 years old when he fathered Mahalalel.

13 Kenan lived 840 years after the birth of Mahalalel, and he fathered sons and daughters.

14 So Kenan's life lasted 910 years; then he died.

15 Mahalalel was 65 years old when he fathered Jared.