Question: John D. Rockefeller III was the older brother of which chief executive of Chase Manhattan Corporation?
Context: 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. The Rockefeller Brothers Fund (RBF) is a philanthropic foundation created and run by members of the Rockefeller family.  It was founded in New York City in 1940 as the primary philanthropic vehicle for the five third-generation Rockefeller brothers: John D. Rockefeller III, Nelson, Laurance, Winthrop and David.  It is distinct from the Rockefeller Foundation.  The Rockefellers are an industrial, political, and banking family that made one of the world's largest fortunes in the oil business during the late 19th and early 20th centuries. Siddharth N. "Bobby" Mehta was former CEO and vice chairman of HSBC North America.  Mehta served as an Advisor of TransUnion since December 31, 2012.  Mehta serves as consultant of TransUnion.  He served the chief executive officer and president of TransUnion from August 2007 to December 31, 2012, and Transunion Financing Corp. until December 31, 2012.  From May 2007 to July 2007, he served as a consultant to the board of directors at TransUnion.  He served as the chief executive officer and president of TransUnion until December 31, 2012.  He served as the chief executive officer of TransUnion LLC.  He served as chairman of the board and chief executive officer of HSBC Finance Corporation from April 2005 to February 2007.  He served as chief executive officer and president of TransUnion LLC from 2007 to 2012.  From 1998 to 2007, he held a variety of positions with HSBC Finance Corporation and HSBC North America Holdings, Inc.  Mehta served as chief executive officer of HSBC North America until February 2007.  Mehta served as consultant of TransUnion since May 2007 until July 2007.  Mehta served as group managing director of HSBC Holdings PLC of HSBC Finance Corp. since April 30, 2005, and its unit chief executive officer since March 2005.  He served as the chief executive of HS BC North America Holdings Inc., of HSBC Finance Corp., from March 2005 to February 15, 2007.  He served as an executive chairman of HSBC Financial Corporation Limited since April 2005 and served as its chief executive officer from April 2005 to February 15, 2007.  He served as the chief executive officer of HSBC Bank USA, N.A. until February 2007.  He served as the chief executive officer of HSBC North America Holdings Inc. since March 2005.  He served as chairman and chief executive officer of HSBC Financial Corp., Ltd.  He oversaw HSBC's global credit card services, its North American consumer lending and mortgage services businesses and its first mortgage operation.  He was also responsible for corporate marketing, strategic planning and corporate development for HSBC North America Holdings Inc. and had responsibility for the strategic management of credit cards throughout the HSBC Group.  Mehta served as group executive of Credit Card Services, Auto Finance and Canada of Household International Inc., since July 2002.  He worked at MasterCard’s U.S. region board since March 2000.  Mehta joined Household International Inc., in 1998.  He served as senior vice president of The Boston Consulting Group in Los Angeles and co-leader of Boston Consulting Group Financial Services Practice in the United States.  Mehta served as a director of Global Board of MasterCard Incorporated since March 17, 2005.  He served as unit chairman of HSBC Holdings PLC and served as its board member since March 2005.  He served as vice chairman and director of HSBC Financial Corporation Limited., (Formerly Household International Inc.).  He has been a director of Avant Credit Corporation since December 18, 2014.  He has been an independent director of The Allstate Corporation since February 19, 2014.  He serves as a member of the advisory board at Core2 Group, Inc.  He has been non-executive independent director at Piramal Enterprises Ltd since April 1, 2013.  He serves on the boards of Datacard, Chicago Public Education Fund, University of Chicago Laboratory Schools, The Economic Club of Chicago, The Field Museum and Myelin Repair Foundation.  He serves as a director of TransUnion Corp. and TransUnion LLC.  He served as a director of MasterCard International Inc. (also known as MasterCard Worldwide) (formerly, MasterCard Inc.), since March 17, 2005.  He served as a director of HSBC Financial Corp.  Ltd.  He has been a director of TransUnion since April 2012.  Mehta serves on the board of international advisors for the Monterey, California, Institute of International Studies and is a member of the Financial Services Roundtable.  He also serves on the board of advisors for the Myelin Repair Foundation.  Mehta holds a Bachelor of Arts in economics from the London School of Economics and Masters of Business Administration from the University of Chicago.  He stepped down as head of the North American unit after the lender raised its forecast for bad loans in the U.S.  He is of Indian descent. JPMorgan Chase Bank, N.A., doing business as Chase Bank, is a national bank that constitutes the consumer and commercial banking subsidiary of the U.S. multinational banking and financial services holding company, JPMorgan Chase.  The bank was known as Chase Manhattan Bank until it merged with J.P. Morgan & Co. in 2000.  Chase Manhattan Bank was formed by the merger of the Chase National Bank and The Manhattan Company in 1955.  The bank has been headquartered in Columbus, Ohio since its merger with Bank One Corporation in 2004.  The bank acquired the deposits and most assets of Washington Mutual. Alida Ferry Rockefeller (born 1948) is an American philanthropist.  She is the youngest daughter of John Davison Rockefeller III (1906–1978) and Blanchette Ferry Hooker (1909–1992), and a fourth-generation member of the Rockefeller family.  Her brother is former Senator John Davison "Jay" Rockefeller IV (born 1937).  According to an account in "The New York Times", Alida was only five years old when her father began to teach her about philanthropy.  She said: John Davison Rockefeller III (March 21, 1906 – July 10, 1978) was a philanthropist and third-generation member of the prominent Rockefeller family.  He was the eldest son of philanthropists John D. Rockefeller Jr. and Abby Aldrich Rockefeller.  His siblings were Abby, Nelson, Laurance, Winthrop, and David. The Rockefeller family ( ) is an American industrial, political, and banking family that made one of the world's largest fortunes in the oil business during the late 19th and early 20th centuries, with John D. Rockefeller and his brother William Rockefeller primarily through Standard Oil.  The family is also known for its long association with and control of Chase Manhattan Bank.  They are considered to be one of the most powerful families, if not the most powerful family, in the history of the United States. William B. Harrison Jr., born August 12, 1943, in Rocky Mount, North Carolina, is the former CEO and chairman of JPMorgan Chase.  He attended high school at Virginia Episcopal School, where he was a basketball star.  He attended the University of North Carolina at Chapel Hill, where he was admitted to the Zeta Psi fraternity.  Having risen through the ranks of Chemical Bank before succeeding Walter V. Shipley during the Chemical Bank takeover of the Chase Manhattan Corporation, he and Douglas A. Warner III, then CEO of J.P. Morgan & Co., were the principal architects of the US$30.9 billion Chase and J.P. Morgan & Co. merger of 2000.  Harrison has been a director of the Firm or a predecessor institution since 1991.  Harrison is also a director of Merck & Co., Inc. Walter V. Shipley (born November 2, 1935) was the former Chairman and Chief Executive Officer of Chase Manhattan Bank and, before that, the company with which it merged Chemical Bank.  Shipley was named chief executive of Chemical in 1981 and held the position through 1999 and remained at the bank as chairman through January 2000, just prior to the bank's merger with J.P. Morgan & Co..  During his 18-year tenure, Shipley oversaw Chemical's mergers with Texas Commerce Bank in 1987, Manufacturers Hanover in 1991 and Chase Manhattan Bank in 1996. JPMorgan Chase & Co. is a U.S. multinational banking and financial services holding company headquartered in New York City.  It is the largest bank in the United States, the world's sixth largest bank by total assets, with total assets of US$2.5 trillion, and the world's second most valuable bank by market capitalization, after ICBC.  It is a major provider of financial services, and according to "Forbes" magazine is the world's sixth largest public company based upon a composite ranking.  The hedge fund unit of JPMorgan Chase is the second largest hedge fund in the United States.  The company was formed in 2000, when Chase Manhattan Corporation merged with J.P. Morgan & Co.
Answer: David Rockefeller