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The Warburg family is a prominent German and American banking family of German Jewish and originally Venetian Jewish descent, noted for their varied accomplishments in biochemistry, botany, political activism, economics, investment banking, law, physics, classical music, art history, pharmacology, physiology, finance, private equity and philanthropy.

They originated as the Venetian Jewish del Banco family, one of the wealthiest Venetian families in the early 16th century. Due to restrictions limiting Jewish involvement in banking, they moved to Bologna, and thence to Warburg, in Westphalia, in the 16th century, after which they later took their name. The first known ancestor was Simon von Kassel (1500–1566).

The family later established itself in Altona, near Hamburg in the 17th century, after the Thirty Years' War, and it was in Hamburg that M. M. Warburg & Co. was established in 1798, among the oldest still existing investment banks in the world. Other banks created by members of the family include Warburg Pincus and S. G. Warburg & Co., the latter having been acquired in 1995 by UBS.

Family organization

Alsterufer and Mittelweg lines

The family is traditionally divided into two prominent lines, the Alsterufer Warburgs and the Mittelweg Warburgs. The Alsterufer Warburgs descended from Siegmund Warburg (1835–1889) and the Mittelweg Warburgs descended from his brother Moritz M. Warburg (1838–1910). They took their nicknames from the brothers' respective addresses in Hamburg's Rotherbaum neighborhood. The brothers were grandsons of Moses Marcus Warburg.

Siegmund George Warburg was of the Alsterufer lines; the five brothers Abraham (Aby) M., Max M., Paul M., Felix M. and Fritz Moritz Warburg were of the Mittelweg line.

The brothers Moses Marcus Warburg (1763–1830) and Gerson Warburg (1765–1826) founded the M. M. Warburg & Co. banking company in 1798. Moses Warburg's great-great grandson, Siegmund George Warburg, founded the investment bank S. G. Warburg & Co in London in 1946. Siegmund's second cousin, Eric Warburg, founded Warburg Pincus in New York in 1938. Eric Warburg's son Max Warburg Jr. (not to be confused with Eric's father Max Warburg) is currently one of the three partners of M.M.Warburg & Co., Warburg. Max Warburg's elder brother Aby Warburg used family resources to establish the Kulturwissenschaftliche Bibliothek Warburg in Hamburg, since 1934 The Warburg Institute in London. Paul Warburg is most famous as an architect of the US Federal Reserve System, established in 1913. Paul was a member of the first Federal Reserve Board, and its Vice Chairman until his resignation in August 1918.

American and German Warburgs

Felix and Paul Warburg emigrated to the United States. There they became the two mainstays of the German-American branch, out of the five German born Warburg brothers. The brothers worked out of New York City where nearly all the male members formed a close bond with the Kuhn, Loeb & Co. investment banking firm. An American based, but internationally sound firm which at one time toyed with creating a branch abroad that was presumed would operate most efficiently with the aid of the families international connections. While in NYC, Felix Warburg married Frieda Schiff, only daughter of Jacob H. Schiff, a banker who grew up in Frankfurt and had ties to the German Warburgs. Schiff financed most of the American rail system through his investment bank of Kuhn, Loeb & Co. and interacted with newly American Warburgs, as brothers Felix and Paul each eventually made senior partner for, and each married into some of the prominent families with the investment banking firm of Kuhn, Loeb & Co., at the time, run by Schiff. Beginning with the marriage of Jacob Schiff in 1875 to Therese Loeb, a daughter of co-founder Solomon Loeb, becoming a full partner in the business firm shortly after.

In 1895, Paul Warburg married Nina Loeb, daughter of Solomon Loeb of Kuhn, Loeb & Co.,having met her at the wedding of brother Felix Warburg, who had married Jacob Schiff's daughter, Frieda. But originally it was founding partner Abraham Kuhn who concentrated the family wealth and cemented business relations with newly immigrated distant cousin Solomon Loeb by his marriage to Kuhn's sister. Shortly thereafter the two became full partners in their newly established New York banking investment firm of, Kuhn, Loeb & Co. In more recent times Schiff's great-great grandson Drew previously was married to Al Gore's daughter, Karenna, who has risen in place at the Union Theological Seminary. UTS shares a partnership with the Jewish Theological Seminary, each located in NYC in Manhattan, where the JTS has historically been associated as well, with the Jewish Museum.

Having ties to America and Germany like many other prominent Jewish financial families, the Warburgs abroad maintained close ties to their Jewish roots. The Felix M. Warburg House in New York City is now the Jewish Museum, and Kfar Warburg in Israel is named for him. Otto Warburg, a cousin of the German-based Warburgs was a wealthy botanist who was elected head of the World Zionist Organization in 1911. Felix's brother, Paul Warburg was one of the original founders of the board of the U.S. Federal Reserve System, a collection of 12 regional Reserve Banks headed by a Board of Governors which regulates and oversees private commercial banks. As one of the most prominent bankers of his time, his brother Max Warburg attended the Paris Peace Conference of 1919 at Versailles, as part of the German delegation.

During the Weimar Republic, Max Warburg served on the board ('Generalrat') of the Reichsbank from 1924 to 1933, under two successive chairmen, Hjalmar Schacht, (until 1930), and Hans Luther (1930–1933); until 1934, he was also on the Board of the Bankenverband. Max Warburg emigrated in 1938. In the 1920s and 1930s, until the end of the Weimar Republic in 1933, Max Warburg also served on several Supervisory Boards ("Aufsichtsrat") in industry, notably HAPAG, Blohm &Voss, Beiersdorf, and, until his resignation in 1932, as a member of the Supervisory Board ("Aufsichtsrat") of the German conglomerate/ chemical firm known as IG Farben (Interessen Gemeinschaft Farben). His brother Paul Warburg, who died in January 1932 – a year before Hitler was elected Chancellor – also served on numerous Supervisory Boards ("Aufsichtsrat") including allegedly that of an I.G. Farben wholly owned US subsidiary.

Most members of the German Warburg family had fled to the United States or Great Britain by the end of 1938. However, Max Warburg's brother, Fritz Warburg, who was preparing his exile in Sweden, was arrested by the Gestapo in Hamburg in early November 1938 and spent some months in prison before he could leave for Stockholm in May 1939. His daughter Eva came to organize the emigration for 500 German Jewish children from Germany and Austria to Sweden in 1938 and 1939. Also, three cousins, mother, Gerta and daughters Betty and Helene Julie (Burchard) Warburg, stayed in Altona. Gerta and Betty were murdered in the Sobibor extermination camp in 1940 and Helena Julie in Auschwitz in 1942. A life size portrait of Helene Julie by the Norwegian artist Edvard Munch today hangs in the Kunsthaus in Zurich (The Lady in White). Eric Warburg, son of Max Warburg, returned to Germany as an officer (colonel) in the American Air Force and was influential in restoring German-Jewish relations and rebuilding Germany's economic ties after the Second World War through his international business associations. Eric's son, also called Max, is currently a partner in M.M. Warburg & Co. in Hamburg.

Venetian origins

The Warburg family is thought to have originated from Venice, at which point they bore the surname del-Banco. The historical documents describe Anselmo del Banco as Jewish and as having been one of the wealthiest residents of Venice in the early 16th century. In 1513, del Banco was granted a charter by the Venetian government permitting the lending of money with interest. Del Banco left with his family after new restrictions were placed upon the Jewish community coinciding with the establishment of the Venetian Ghetto. The family settled in Bologna, and from there to the German town of Warburg, and adopted that town's name as their own surname, after having moved to Hamburg after the Thirty Years' War.

Noteworthy members

• Moses Marcus Warburg (1763–1830), founder, with his brother Gerson Warburg (1765–1825), of M. M. Warburg & Co. in 1798.
  • Sara Warburg (1805–1884) married to Abraham Samuel Warburg (1798–1856), her cousin
    • Rosa Warburg (1833–1908), married to Paul Schiff, director of the Creditanstalt of Vienna
    • Siegmund Warburg (1835–1889), married to Théophilie Rosenberg
      • Abraham Samuel Warburg (1864–1933)
      • Georg Gabriel Warburg (1871–1923), married to Lucie Lea Kaulla
        • Siegmund George Warburg (1902–1982), founder of S. G. Warburg & Co, London, married to Eva Maria Philipson, daughter of Mauritz Philipson [sv]
          • Georg Albert Siegmund Warburg (1927–2023), married to Elinor Bliss Bozyan
    • Moritz M. Warburg (1838–1910), married to Charlotte Oppenheim
      • Abraham M. Warburg (1866–1929), German art historian
      • Max M. Warburg (1867–1946), banker
        • Eric M. Warburg (1900–1990), founder of Warburg Pincus, married to Dorothea Thorsch (1912–2003), daughter of Alfons Thorsch [de]
          • Max M. Warburg jr. (b. 1948)
          • Marie Warburg, married to Michael Naumann (b. 1941), journalist
      • Paul M. Warburg (1868–1932), father of the Federal Reserve, married Nina Loeb (1863–1912) in 1895, the daughter of Solomon Loeb
        • James Warburg (1897–1969), economist, banker, advisor to Franklin D. Roosevelt, married to Kay Swift (1897–1993)
          • Andrea Swift Warburg (1922–2009), married to Sidney Kaufman.
            • Katharine Kaufman Weber (b. 1955), novelist, married to Nicholas Fox Weber.
        • Bettina Warburg (1900–1990) psychiatrist.
      • Katharine Warburg (1870–1935), married to Isaac Dorfman (1868–1929), philanthropist, banker.
      • Felix M. Warburg (1871–1937), New York banker with Kuhn, Loeb & Co., philanthropist, married Frieda Schiff (1876–1958), daughter of Jacob H. Schiff and granddaughter of Solomon Loeb in 1895.
        • Carola Warburg Rothschild (1896–1987), married to Walter N. Rothschild, son of Simon F. Rothschild
          • Walter N. Rothschild Jr.
          • Phyllis Rothschild Peters Farley
          • Carol Rothschild Bradford Noyes, married Amory Howe Bradford (d. 1998), son of Arthur Howe Bradford; married 1965 to diplomat Charles P. Noyes
            • David A. Bradford
            • Carola Bradford Lea
            • Madhavi Bradford
            • Deborah Bradford
            • Peter A. Bradford, married Katherine Bradford
              • Arthur Bradford
              • Laura Rothschild Bradford Kirkpatrick
        • Frederick Marcus Warburg (1897–1973), married to Wilma L. Shannon
        • Gerald Felix Warburg (1901–1971), well-known cellist and conductor, married Natica Nast (1905–1987), daughter of Condé Nast
          • Felix Max Warburg (1924–2019), architect and environmental leader, married to Sandol Milliken Stoddard (1927–2018) and Sue Rosenthal (1930–2014)
          • Geraldine Warburg Kohlenberg Zetzel, married to Arthur Kohlenberg [de] (1924–1970) and Louis Zetzel (1909–1993)
          • Jeremy Warburg, married to William Russo
            • Alexander William Warburg Russo (b. 1964), writer
          • Jonathan F. Warburg
        • Paul Felix Warburg (c.1904–1965)
        • Edward Warburg (1908–1992), philanthropist and benefactor of the arts, married to Mary Warburg (1908–2009)
          • David J. Warburg, married Caroline Susan MacDonald
            • Ian Edward Warburg (b. 1962 or 1963), married to Jane Green (1968–) author, philanthropist.
          • Daphne Warburg (b. 1949), married to Michael Ramon Langhorne Astor, eldest son of Jakie Astor.
      • Olga Warburg (1872–1895)
      • Fritz M. Warburg (1879–1964) living in Stockholm during World War I and II, father of Eva Warburg who organized Kindertransport to Sweden in 1938 and -39.
      • Louisa Warburg (1879–1973), married to Julius Derenberg (1873–1928)
        • Walter Julius Derenberg [de] (1903–1975), legal scholar

Relatives

• Emil Warburg, (1846–1931), German physicist
• Otto Heinrich Warburg (1883–1970), physiologist and biochemist (Nobel prize in Medicine, 1931)
• Otto Warburg (1859–1938), botanist and president of the World Zionist Organization

See also

• M. M. Warburg & Co.
• Warburg Pincus
• S. G. Warburg & Co.
• Kuhn, Loeb & Co.
• Warburg Institute
• Rothschild family

References

1. ^ "Warburg family". Encyclopædia Britannica. Retrieved 6 November 2013.
2. Birmingham, Stephen (1996). Our Crowd: The Great Jewish Families of New York. Syracuse University Press. p. 190.
3. Aschoff, Diethard (1986). "Simon von Kassel: ein Hessisches Budenschicksal in der Zeit Philipp des Großmütigen". Zeitschrift des Vereins für Hessische Geschichte. 91: 31–49.
4. "History of the Warburg Institute". Warburg Institute, University of London. 2016-05-20.
5. Warburg, Paul M. (1930). The Federal Reserve System: Its Origin and Growth. New York: Macmillan.
6. Broz, J. Lawrence (1997). The International Origins of the Federal Reserve System. Ithaca, London: Cornell University Press. p. 141. ISBN 9780801475955.
7. "Federal Reserve History Paul Warburg". Federal Reserve History.
8. Whitehouse, Michael A. (May 1989). "Paul Warburg's Crusade to Establish a Central Bank in the United States". The Region (Publication of the Federal Reserve Bank of Minneapolis).
9. Naclerio, Richard A. (2013). "Paul M. Warburg: Founder of the United States Federal Reserve". History Faculty Publications (99) – via Sacred Heart University.
10. Naomi Wiener Cohen, Jacob H. Schiff: a study in American Jewish leadership
11. Lowenstein, Roger (2015). America's Bank: The Epic Struggle to Create the Federal Reserve. New York: Penguin Random House. ISBN 9780143109846.
12. "Board of Governors of the Federal Reserve System Planning Document" (PDF). Federal Reserve Board. 2002.
13. "Records of American Delegation at United States' National Archives: RECORDS OF THE AMERICAN COMMISSION TO NEGOTIATE PEACE 1918-31". Records of American Delegation at United States' National Archives. 2016-08-15.
14. Macmillan, Margaret (2001). Peacemakers: The Paris Peace Conference of 1919 and Its Attempt to End War. London: John Murray. ISBN 978-0719562372.
15. Dorothea Hauser and Christoph Kreutzmüller (2007). "Max Warburg", in Hans Pohl (ed.), Deutsche Bankiers des 20. Jahrhunderts. Stuttgart: Steiner. pp. 419–432.
16. Chernow, Ron (1993). The Warburgs: The Twentieth Century Odyssey of a Remarkable Jewish Family. New York: Random House. p. 365. ISBN 978-0525431831.
17. Hauser, Dorothea, Zwischen Gehen und Bleiben: Das Sekretariat Warburg und sein Netzwerk des Vertrauens, 1938 – 1941, in: Susanne Heim; Beate Meyer; Francis R. Nicosia (eds.), "Wer bleibt, opfert seine Jahre, vielleicht sein Leben". Deutsche Juden 1938-1941. Göttingen: Wallstein Verlag. 2010. pp. 127–128.
18. Rudberg, Pontus, The Swedish Jews and the Victims of Nazi Terror, Uppsala 2015, pp. 48-49.
19. Yad Vashem and Memorial book. "Victims of the Persecution of Jews under the National Socialist Tyranny in Germany 1933 - 1945" prepared by the German Federal Archives. German Federal Archives.
20. "Stolpersteine".
21. Wenzel, Gertrud (1981). Broken Star: The Warburgs of Altona. Smithtown, NY: Exposition Press.
22. Ron Chernow, The Warburgs (Vantage: 1993)
23. "BildArchiv".
24. Warburg, Eric M. (1983). Times and Tide. Hamburg: Hans Christians. pp. 173–219.
25. Warburg, Eric M. (1983). Times and Tide. Hamburg: Hans Christians. p. 222.
26. Adler, Cyrus (1937). "Felix M. Warburg in Memoriam". Bulletin of the American Schools of Oriental Research. 68: 2–4. doi:10.1086/BASOR3218851. S2CID 167115956.
27. Bird, Kai (1992). The Chairman: John J. McCloy. The Making of the American Establishment. New York: Simon & Schuster. pp. 324 (Talk with McCloy, 1949).
28. Adler, Cyrus (1937). "Felix M. Warburg in Memoriam". Bulletin of the American Schools of Oriental Research. 68 (68): 2–4. doi:10.1086/BASOR3218851. JSTOR 3218851. S2CID 167115956.
29. Chernow, Ron (1993). The Warburgs: The Twentieth Century Odyessy of a Remarkable Jewish Family. New York: Random House. pp. 3–5.
30. Aschoff, Diethard (1986). "Simon von Kassel: Ein Judenschicksal in der Zeit Philipps des Großmütigen". Zeitschrift des Vereins für Hessische Geschichte und Landeskunde. 91: 31–48.
31. Roeck, Bernd (2005). "Die Warburgs". In Reinhardt, Volker; Lau, Thomas (eds.). Deutsche Familien: Historische Portraits von Bismarck bis Weizsäcker (in German). C. H. Beck. ISBN 978-3406529054.
32. "Carola W. Rothschild, Ex-Girl Scout Official". The New York Times. September 1, 1987.
33. Whitman, Alden (July 11, 1973). "Frederick M. Warburg, 75, Dies; Investment Banker, Sportsman". The New York Times.
34. "Gerald F. Warburg, 69, Is Dead; Cellist and a Patron of the Arts". The New York Times. February 15, 1971.
35. "In Memoriam: Felix M. Warburg AB '46, MArch '51, Architect and Environmental Leader".
36. "Paul Felix Warburg Dead; Was 61; Funeral Services Tomorrow". Jewish Telegraph Agency. October 11, 1965.

Further reading

• Attali, Jacques (1985). A Man of Influence: The Extraordinary Career of S.G. Warburg. Bethesda, MD: Adler & Adler. ISBN 978-0-917561-36-8.
• Farrer, David (1974). The Warburgs: The Story of a Family. New York: Stein and Day. ISBN 978-0-8128-1733-1.
• Ferguson, Niall (2010). High Financier: The Lives and Time of Siegmund Warburg. New York: Penguin Press. ISBN 978-1-59420-246-9.
• Klessmann, Eckart (2004). M.M.Warburg & CO 1798–1998: Die Geschichte des Bankhauses. Hamburg.{{cite book}}: CS1 maint: location missing publisher (link)
• Ratto, Pietro (2019). Rockefeller e Warburg. Le famiglie più potenti della terra. Bologna: Arianna Editrice [it]. ISBN 978-88-6588-209-2.
• Rosenbaum, Eduard (1962). M.M.Warburg & CO, Merchant Bankers of Hamburg; A Survey of the First 140 years, 1798 to 1938. London.{{cite book}}: CS1 maint: location missing publisher (link)
• Rudberg, Pontus (2015). The Swedish Jews and the Victims of Nazi terror. Uppsala: Uppsala University. ISBN 978-91-554-9358-5.
• Rudberg, Pontus (2017). The Swedish Jews and the Holocaust. Abingdon & New York: Routledge. ISBN 9781138045880.
• Slovin, Francesca Cernia (1995). Aby Warburg. Un banchiere prestato all'arte. Biografia di una passione. Venezia: Marsilio [it]. ISBN 978-88-317-6088-1.

External links

•  This article incorporates text from a publication now in the public domain: Singer, Isidore; et al., eds. (1901–1906). "Warburg". The Jewish Encyclopedia. New York: Funk & Wagnalls.
• Irving Katz's review of The Warburgs: The Twentieth-Century Odyssey of a Remarkable Jewish Family by Ron Chernow

• Warburg family
• American people of German-Jewish descent
• Banking families
• Business families of the United States
• German bankers
• History of banking
• History of the Federal Reserve System
• History of private equity and venture capital
• Jewish-American families
• American philanthropists
• Jewish-German families
• UBS