And after the birth of Mahalalel, Kenan went on living for eight hundred and forty years, and had sons and daughters:

Isaac was forty years old when he took Rebekah, the daughter of Bethuel the Aramaean of Paddan-aram, and the sister of Laban the Aramaean, to be his wife.

And when Esau was forty years old, he took as his wives Judith, the daughter of Beeri the Hittite, and Basemath, the daughter of Elon the Hittite:

For after seven days I will send rain on the earth for forty days and forty nights, for the destruction of every living thing which I have made on the face of the earth.

And rain came down on the earth for forty days and forty nights.

And again he said to him, By chance there may be forty there. And he said, I will not do it if there are forty.

And Jacob was living in the land of Goshen for seventeen years; so the years of his life were a hundred and forty-seven.