Genesis 5:13

13 and then lived another 840 years. He had other children

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 and died at the age of 905.

12 When Kenan was 70, he had a son, Mahalalel,

13 and then lived another 840 years. He had other children

14 and died at the age of 910.

15 When Mahalalel was 65, he had a son, Jared,