When Adam had lived 130 years, he fathered a son in his own likeness, after his image, and named him Seth.
3. And begat a son in his own likeness . We have lately said that Moses traces the offspring of Adam only through the line of Seth, to propose for our consideration the succession of the Church. In saying that Seth begat a son after his own image, he refers in part to the first origin of our nature: at the same time its corruption...
This genealogy traces the holy seed through whom Christ came in the flesh. Mark well: man is not his own maker and therefore not his own master; God who made him must direct him. Male and female both bear God's likeness, so between the sexes there is no great inequality as some falsely imagine.
AI summary
Commenting on Genesis 5:1-5
And Adam lived an hundred and thirty years,.... The Septuagint version, through mistaken, gives the number two hundred and thirty years: and begat a son; not that he had no other children during this time than Cain and Abel; this is only observed to show how old he was when Seth was born, the son here meant; who was begotten in his own likeness, after...