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Familie: Oscar Christian Grueninger / Thekla Julie Meta Baltzer (F29510)
g. 18 jun. 1913Johan Friederich Baltzer (1857-1930) 
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Caroline Charlotte Wilhelmine Knickmeier (1862-1925) |
| Adolph Johannes August Baltzer (1882-1921) |
Otto Hermann Heirich Baltzer (1884-1957)  |
| Selma Anna Caroline Baltzer (1885-1977) |
| Victor Julius Baltzer (1888- ) |
| Detlef Ewald Ottonaur Baltzer (1889- ) |
| Eugen Friederich Christian Baltzer (1891- ) |
| Arwed Carl George Baltzer (1894- ) |
| Nora Baltzer (1896-1942) |
| John B. Baltzer (1897-1960) |
| Erna C.C. Baltzer (1900- ) |
| Caroline Baltzer (1903- ) |
| Oscar Christian Grueninger (1886-1968) |
| Thekla Julie Meta Baltzer (1886-1977)
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