No, John D Rockefeller is not single.
Yes, but it was John D. Rockefeller Jr.
John D. Rockefeller
John D. Rockefeller was born on July 8, 1839.
John Davison Rockefeller
John D. Rockefeller was born on July 8, 1839.
John D. Rockefeller III was born in 1906.
John D. Rockefeller was born on July 8, 1839.
John D Rockefeller married to Laura Spelman in 1864
John D Rockefeller was born on July 8, 1839
John D Rockefeller married to Laura Spelman in 1864
John D Rockefeller's middle name was Davidson