GB 1556 WL 1207 1799-1953 Collection level 4 items Warburg family 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 c 1566. They took their surname from the city of Warburg. The brothers Moses Marcus Warburg and Gerson Warburg founded the M M Warburg and 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. Lola Hahn-Warburg; J Stiebel Family tree of the Warburg family, Hamburg-Altona, published for the family including index and supplement, 1799-1953. N/A Open Copies can be made for personal use. Permission must be sought for publication. German Description exists to this archive on the Wiener Library's online catalogue www.wienerlibrary.co.uk Entry compiled by Howard Falksohn Compiled in compliance with General International Standard Archival Description, ISAD(G), second edition, 2000; National Council on Archives Rules for the Construction of Personal, Place and Corporate Names, 1997 January 2008 Banks Family Finance Financial institutions Genealogy Jews Religious groups Warburg, M M and Co Warburg , Moses Marcus , d 1830