Question: Roberta Brooke Astor, was an American philanthropist, socialite, and writer who was the chairwoman of the Vincent Astor Foundation, and great-great grandson of America's first multi-millionaire John Jacob Astor, a German–American businessman, merchant, real estate mogul and investor who mainly made his fortune in fur trade and by investing in real estate in or around where??

full_context: Document 1: Rubin Schron: Rubin Schron, who goes by Ruby, is a New York City real estate investor, landlord and the founder of Cammeby's International Group. He has a personal net worth of well over $10 billion, according to data company Real Capital Analytics. The portfolio of Cammeby's, which Schron founded in 1967, includes office buildings, market-rate and government-subsidized apartment complexes, nursing homes, the 16-building complex in Sunset Park now known as Industry City, a stake in the bottom half of Woolworth Building and industrial properties scattered across Long Island. In 2013, Schron made an unsolicited and unsuccessful offer to buy the Empire State Building for $2 billion, but he has not had problems closing many other deals throughout his long career. In 2003, an investment group led by Schron paid $600 million for a portfolio of about 6,000 outer-borough apartments from Donald Trump. Other buildings he owns include the Monterey, a 521-unit rental multifamily building on Manhattan's Upper East Side; over the decades, Schron has also amassed a portfolio of Mitchell-Lama apartment buildings whose values have been skyrocketing to record values, after reverting to market rates when government subsidies expired. In 2007, he sold nearly 4,000 units of former Mitchell-Lama properties in five complexes in Harlem and on Roosevelt Island for $940 million. Schron, who practices Orthodox Judaism, has eight children and 50 grandchildren. He and his family have lived in the same single-family home in Brooklyn for many decades.
Document 2: William Backhouse Astor Sr.: William Backhouse Astor Sr. (September 19, 1792 – November 24, 1875) was an American business magnate who inherited most of his father John Jacob Astor's fortune. He worked as a partner in his father's successful export business. His massive investment in Manhattan real estate enabled major donations to the Astor Library in East Village, which became the New York Public Library.
Document 3: John D. Rockefeller III: 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.
Document 4: Chamber of Commerce of the State of New York: The New York Chamber of Commerce, founded in 1768 by twenty New York City merchants, was the first commercial organization of its kind in the country. Attracting the participation of a number of New York's most influential business leaders, such as John Jacob Astor, Peter Cooper, and J. Pierpont Morgan, its members were instrumental in the realization of several key initiatives in the region - including the Erie Canal, the Atlantic cable, and the New York City Transit Authority. The Chamber of Commerce survives today as the Partnership for New York City, which was formed from the 2002 merger of the New York Chamber of Commerce and Industry and the New York City Partnership.
Document 5: Jakob Fugger: Jakob Fugger of the Lily (German: "Jakob Fugger von der Lilie" ) (6 March 1459 – 30 December 1525), also known as Jakob Fugger the Rich or sometimes Jakob II, was a major German merchant, mining entrepreneur and banker. He was a descendant of the Fugger merchant family located in the Free Imperial City of Augsburg, where he was also born and later also elevated through marriage to Grand Burgher of Augsburg (German "Großbürger zu Augsburg"). Within a few decades he expanded the family firm to a business operating in all of Europe. He began his education at the age of 14 in Venice, which also remained his main residence until 1487. At the same time he was a cleric and held several prebendaries, even though he never lived in a monastery. Fugger is held to be one of the wealthiest individuals in modern history, alongside the early 20th century industralists John D. Rockefeller and Andrew Carnegie.
Document 6: John Jacob Astor: John Jacob Astor (July 17, 1763 – March 29, 1848) (born Johann Jakob Astor) was a German–American businessman, merchant, real estate mogul and investor who mainly made his fortune in fur trade and by investing in real estate in or around New York City.
Document 7: John Jacob Astor VI: John Jacob "Jakey" Astor VI (August 14, 1912 – June 26, 1992) was an American socialite, shipping businessman, and member of the Astor family. He was dubbed the ""Titanic" Baby" for his affiliation with the RMS "Titanic"; Astor was born four months after his father, Colonel John Jacob Astor IV, died in the sinking of the "Titanic", but his mother, Madeleine Astor, survived.
Document 8: American Fur Company: The American Fur Company (AFC) was founded in 1808, by John Jacob Astor, a German immigrant to the United States. During the 18th century, furs had become a major commodity in Europe, and North America became a major supplier. Several British companies, most notably the North West Company and the Hudson's Bay Company, were eventual competitors against Astor and capitalized on the lucrative trade in furs. Astor capitalized on anti-British sentiments and his commercial strategies to become one of the first trusts in American business and a major competitor to the British commercial dominance in North American fur trade. Expanding into many former British fur-trapping regions and trade routes, the company grew to monopolize the fur trade in the United States by 1830, and became one of the largest and wealthiest businesses in the country.
Document 9: Tonquin (1807): The Tonquin was a 290-ton American merchant ship initially operated by Fanning & Coles and later by the Pacific Fur Company (PFC), a subsidiary of the American Fur Company (AFC). Its first commander was Edmund Fanning, who sailed to the Qing Empire for valuable Chinese trade goods in 1807. The vessel was outfitted for another journey to China and then was sold to German-American entrepreneur John Jacob Astor. Included within his intricate plans to assume control over portions of the lucrative North American fur trade, the ship was intended to establish and supply trading outposts on the Pacific Northwest coast. Valuable animal furs purchased and trapped in the region would then be shipped to China, where consumer demand was high for particular pelts.
Document 10: Anthony Dryden Marshall: Anthony Dryden Marshall (born Anthony Dryden Kuser; May 30, 1924 – November 30, 2014) was an American theatrical producer and C.I.A. intelligence officer and ambassador. He was also at one-time the vice president of the Vincent Astor Foundation, which was established by his stepfather, Vincent Astor. In 2010, after a lengthy and well-publicized trial, he was convicted of numerous crimes relating to the handling of the estate of his late mother, Brooke Astor. After being imprisoned for several weeks in mid-2013, he was granted medical parole on August 22, 2013. Marshall died on November 30, 2014 at the age of 90.
Document 11: Ava Alice Muriel Astor: Ava Alice Muriel Astor (July 7, 1902 – July 19, 1956) was an American heiress, socialite, and member of the Astor family. She was the daughter of John Jacob Astor IV and Ava Lowle Willing, and sister of Vincent Astor.
Document 12: Brooke Astor: Roberta Brooke Astor (née Russell; March 30, 1902 – August 13, 2007) was an American philanthropist, socialite, and writer who was the chairwoman of the Vincent Astor Foundation, which had been established by her third husband, Vincent Astor, son of John Jacob Astor IV and great-great grandson of America's first multi-millionaire, John Jacob Astor. Brooke Astor was the author of two novels and two volumes of personal memoirs.
Document 13: Alida Rockefeller Messinger: 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:
Document 14: John D. Rockefeller: John Davison Rockefeller Sr. (July 8, 1839 – May 23, 1937) was an American oil industry business magnate and philanthropist. Widely considered the wealthiest American of all time and the richest person in modern history, Rockefeller was born into a large family in upstate New York and was shaped by his con man father and religious mother. His family moved several times before eventually settling in Cleveland, Ohio.
Document 15: Edward Isaac Ezra: Edward Isaac Ezra (born 3 January 1883 in Shanghai; died 15 December 1921 in Shanghai) was a wealthy Jewish businessman, who was the first member of the Shanghai Municipal Council who was actually born in China, and who was at one time "one of the wealthiest foreigners in Shanghai". According to one report, Ezra amassed a vast fortune estimated at from twenty to thirty million dollars primarily through the importation of opium, and successful real estate investment and management in early twentieth century Shanghai. Ezra was the largest stockholder and the managing director of Shanghai Hotels Ltd., and its major financier, and controlled such hotels as the Astor House Hotel in Shanghai.
ground_truth: New York City