Annette von Siemens
1886 - 1965 (79 years)(
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- 1 Annette von Siemens [1] b. 1886 d. 1965
- + Karl Theodor Helfferich b. 22 Jul 1872 d. 23 Apr 1924
- + Karl Theodor Helfferich b. 22 Jul 1872 d. 23 Apr 1924