Bereshis 5:19

19 And Yered lived after he fathered Chanoch (Enoch) eight hundred shanah, and fathered banim and banot;

Bereshis 5:19 Meaning and Commentary

Genesis 5:19

And Jared lived, after he begat Enoch, eight hundred
years
And so, the Greek version, but the Samaritan is seven hundred and eighty five:

and begat sons and daughters;
in that time, as well as before; for it is not to be imagined in this, or either of the foregoing or following instances, that these sons and daughters were begotten after living to such an age, since it is plain at that age they died.

Bereshis 5:19 In-Context

17 And all the days of Mahalal’el were eight hundred ninety and five shanah; and he died.

18 And Yered lived a hundred sixty and two shanah, and he fathered Chanoch (Enoch):

19 And Yered lived after he fathered Chanoch (Enoch) eight hundred shanah, and fathered banim and banot;

20 And all the days of Yered were nine hundred sixty and two shanah; and he died.

21 And Chanoch lived sixty and five shanah, and fathered Metushelach;