John Gills Exposition of the Bible Commentary - Genesis 5:7
And Seth lived, after he begat Enos, eight hundred and seven years ,.... The Septuagint version makes the same mistake in the numbers of Seth as of Adam, giving him two hundred and five years before the birth of Enos, and but seven hundred and seven years after: and begat sons and daughters ; very probably both before and after Enos was born; but how many is not said. read more
Matthew Henry's Complete Commentary - Genesis 5:6-20
We have here all that the Holy Ghost thought fit to leave upon record concerning five of the patriarchs before the flood, Seth, Enos, Cainan, Mahalaleel, and Jared. There is nothing observable concerning any of these particularly, though we have reason to think they were men of eminence, both for prudence and piety, in their day: but in general, I. Observe how largely and expressly their generations are recorded. This matter, one would think, might have been delivered in fewer words; but it is... read more