Which Oil company did Nelson's grandfather co-found?
Exxon
Shell
BP
Standard Oil
Answer
Nelson's grandfather, John D. Rockefeller, co-founded the Standard Oil Company in 1870. Standard Oil was the largest oil company in the world for over 40 years, and Rockefeller became one of the wealthiest men in history.
The Rockefeller Chronicles: Exploring the Life of Nelson Rockefeller