Genesis 5:6

6 And Seth was a hundred and five years old when he became the father of Enosh:

Genesis 5:6 Meaning and Commentary

Genesis 5:6

And Seth lived an hundred and five years, and begat Enos.
] Not that this was his firstborn, no doubt but he had other children before this time; but this is only mentioned, because it carried the lineage and descent directly from Adam to Noah, the father of the new world, and from whom the Messiah was to spring; whose genealogy to give is a principal view of this book, or account of generations from Adam to Noah.

Genesis 5:6 In-Context

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

5 And all the years of Adam's life were nine hundred and thirty: and he came to his end.

6 And Seth was a hundred and five years old when he became the father of Enosh:

7 And he went on living after the birth of Enosh for eight hundred and seven years, and had sons and daughters:

8 And all the years of Seth's life were nine hundred and twelve: and he came to his end.