Question: Who was the father of the American cofounder of The Council for the United States and Italy?

Context paragraphs:
David Rockefeller: David Rockefeller (June 12, 1915 – March 20, 2017) was an American banker who was chairman and chief executive of Chase Manhattan Corporation.  He was the oldest living member of the Rockefeller family and family patriarch from August 2004 until his death in March 2017.  Rockefeller was a son of John D. Rockefeller Jr. and Abby Aldrich Rockefeller, and a grandson of John D. Rockefeller and Laura Spelman Rockefeller.

Roy D. Chapin: Roy Dikeman Chapin, Sr. (February 23, 1880February 16, 1936) was an American industrialist and cofounder of Hudson Motor Company, the predecessor of American Motors.  He also served as the United States Secretary of Commerce from August 8, 1932, to March 3, 1933, in the last months of the administration of President Herbert Hoover.

Allen Weinstein: Allen Weinstein (September 1, 1937 – June 18, 2015) was an American historian, educator, and federal official who served in several different offices.  He was, under the Reagan administration, cofounder of the National Endowment for Democracy in 1983.  He served as the Archivist of the United States from February 16, 2005 until his resignation on December 19, 2008.  After his resignation, he returned to the International Foundation for Electoral Systems as the election organization's senior strategist and to the University of Maryland as a history professor.

Giulio Terzi di Sant'Agata: Giuliomaria Terzi di Sant'Agata (] (Count); born 9 June 1946) is an Italian diplomat who was Italy's Minister of Foreign Affairs from November 2011 until he resigned 26 March 2013.  From August 2008 to September 2009 he was the Permanent Representative of Italy to the United Nations in New York, where he also headed the Italian delegation to the United Nations Security Council, which Italy had joined as non-permanent member for the 2007–2008 term.  He then served as Italy's ambassador to the United States from 2009 to 2011.

Steven Hill (author): Steven John Hill (born 6 June 1958) is an American writer, columnist and political reformer.  He has authored several books on American politics and political reform, as well as a book on the European political economy (Europe's Promise: Why the European Way is the Best Hope in an Insecure Age).  Hill led the campaign to pass instant runoff voting in San Francisco in 2002, which was the first victory for electoral system reform in the United States since the 1950s, and was a leader in other campaigns for instant runoff voting and public financing of campaigns.  He is a cofounder of FairVote and former director of the political reform program at the New America Foundation.

Council for the United States and Italy: The Council for the United States and Italy (CONSIUSA) is a non-profit, organization founded in 1983 whose purpose is to foster better ties between the United States and Italy, with a focus on economy and finance.  David Rockefeller and Gianni Agnelli are among its founding members.  Robert Agostinelli was former Vice-Chairman of the Council for the United States & Italy.

Judie Brown: Judith "Judie" A. Brown is the president and cofounder of American Life League, the oldest Catholic grassroots pro-life organization in the United States.

James G. Sterchi: James Gilbert Sterchi (June 23, 1867 – December 9, 1932) was an American businessman, best known as the cofounder and head of the furniture wholesaler, Sterchi Brothers Furniture Company.  At its height, Sterchi Brothers was the world's largest furniture store chain, with sixty-five stores across the southeastern United States and a worldwide customer base.  In 1946, the company became the first Knoxville-based firm to be listed on the New York Stock Exchange.  The company's ten-story headquarters, now called Sterchi Lofts, stands prominently along Knoxville's skyline, and Sterchi's home in northern Knoxville, Stratford Mansion, is listed on the National Register of Historic Places.

Neal Creighton: Neal Creighton (born October 7, 1965) is an American entrepreneur based in Boston, Massachusetts, United States.  He was one of the co-founders who launched digital certificate provider GeoTrust in 2001, and is co-inventor of a domain control authentication patent issued in 2006.  Creighton served as CEO of GeoTrust until 2006.  He was also cofounder of RatePoint, Inc., which was named the MITX 2010 Social Media Company of the Year for New England.

Paul Findley: Paul Findley (born June 23, 1921) is a former United States Representative from Illinois, who represented its 20th District.  A Republican, he was first elected in 1960.  Findley lost his seat in 1982 to current United States Senator Dick Durbin.  Findley attended Illinois College and is a member of Phi Alpha Literary Society.  He is a cofounder of the Council for the National Interest, a Washington, D.C. advocacy group.  He resides in Jacksonville, Illinois.

Supporting paragraphs: Council for the United States and Italy David Rockefeller
Answer: John D. Rockefeller Jr.