Genesis 5:6

6 When Seth was 105, he had a son, 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 After that, Adam lived another 800 years. He had other children
5 and died at the age of 930.
6 When Seth was 105, he had a son, Enosh,
7 and then lived another 807 years. He had other children
8 and died at the age of 912.
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.