The Warburg family is a German-Jewish family of bankers. The Warburgs moved from Bologna to Warburg in Germany in the 16th century before moving to Altona, near Hamburg in the 17th century.Their first known ancestor was Simon von Cassel, who died ca 1566. They took their surname from the city of Warburg. The brothers Moses Marcus Warburg and Gerson Warburg founded the M. M. Warburg & Co. banking company in 1798 that is still in existence. Moses Warburg's great-great grandson, Siegmund George Warburg, founded 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 is currently one of the three partners of M.M. Warburg & Co.
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