Karl Theodor Helfferich
1872 - 1924 (51 years)(
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- 1 Karl Theodor Helfferich [1] b. 22 Jul 1872 d. 23 Apr 1924
- + Annette von Siemens b. 1886 d. 1965
- + Annette von Siemens b. 1886 d. 1965