John Davison Rockefeller III was a major philanthropist and third-generation member of the prominent Rockefeller family. He was the eldest son of John D. Rockefeller, Jr. (Junior) and Abby Aldrich Rockefeller, and the grandson of John D. Rockefeller (Senior). His siblings were Abby, Nelson, Laurance, Winthrop, and David. Wikipedia
John Davison Rockefeller 3rd was born in New York City on March 21, 1906, the eldest son of John D. Rockefeller, Jr., and Abby Aldrich Rockefeller. archive.rockefeller.edu/bio/jdr3.php
The definitive Wikipedia entry for John D. Rockefeller III. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/John_D%2e_Rockefeller_III
The definitive Wikipedia entry for John D. Rockefeller III. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/John_D._Rockefeller_3rd
The Rockefeller Archive Center holds the papers of the Rockefeller family and the records of various philanthropic, educational and scientific institutions. www.rockefeller.edu/archive.ctr/jdr3rd2.html
The definitive Wikipedia entry for John D. Rockefeller III. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/John_D%2e_Rockefeller_3rd