16 After this, Job lived a hundred and forty years; he saw his children and their children to the fourth generation.

Read Job 42:16 Using Other Translations

After this lived Job an hundred and forty years, and saw his sons, and his sons' sons, even four generations.
And after this Job lived 140 years, and saw his sons, and his sons' sons, four generations.
Job lived 140 years after that, living to see four generations of his children and grandchildren.