Familie: Jakob, August Wilhelm Karl / Hartmann, Hermine Auguste Friederike Alwine (F14362)
Diekmann, Wilhelmine Friederike Auguste (1875-1952) 
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| Jakob, Anna Minna Johanne Louise (1903-1903) |
Jakob, Heinrich Karl (1907-1907) |
Jakob, Karl August Konrad (1909- )  |
| Jakob, August Hermann Otto (1911- ) |
| Jakob, August Wilhelm Karl (1904-1941)
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| Jakob, Inge Brigitte Gerda (1934- ) |
| Jakob, Wilhelm Karl Otto (1936- ) |
| Jakob, Reinhold Wilhelm (1939- ) |