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In page Deutsche Bank:

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Three of the founders were Georg Siemens, whose father's cousin had founded Siemens and Halske, Adelbert Delbrück and Ludwig Bamberger.[4] Prior to the founding of Deutsche Bank, German importers and exporters were dependent upon British and French banking institutions in the world markets—a serious handicap in that German bills were almost unknown in international commerce, generally disliked and subject to a higher rate of discount than English or French bills.[5]