After Noah was 500 years old, he became the father of Shem, Ham, and Japheth.
32. And Noah was five hundred years old . Concerning the fathers whom Moses has hitherto enumerated, it is not easy to conjecture whether each of them was the first born of his family or not; for he only wished to follow the continued succession of the Church.
Here we have the first mention of Noah, of whom we shall read much in the following chapters. Observe, I. His name, with the reason of it: Noah signifies rest; his parents gave him that name, with a prospect of his being a more than ordinary blessing to his generation: This same shall comfort us concerning our work and toil of our hands, because of...
Commenting on Genesis 5:28-32
Noah was five hundred years old: and . . . begat--That he and the other patriarchs were advanced in life before children were born to them is a difficulty accounted for probably from the circumstance that Moses does not here record their first-born sons, but only the succession from Adam through Seth to Abraham. Next: Genesis Chapter 6