Familie: Hennigs, Heinrich Ernst August / Grotjahn, Frieda Auguste Caroline (F18161)
verh. 1907Hennigs, Ernst Heinrich Christian (1836-1918) 
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Voß, Johanne Justine (1846-1908)
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 | Hennigs, Ernst August Hermann (1868-1942)  |
| Hennigs, Auguste Wilhelmine (1869- ) |
| Hennigs, Karoline Alwine (1880- ) |
 | Grotjahn, Ernst Christian August (1833-1899)
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| Reinert, Johanne Justine Caroline (1846-1935)
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| Grotjahn, Ernst August Christian (1864- ) |
 | Grotjahn, Ernst August Hermann (1867-1945) |
| Grotjahn, Wilhel Ernst Ferdinand (1870-1890) |
| Grotjahn, Heinrich August Carl (1872-1924) |
| Grotjahn, Hermine Auguste Friederike (1877-1953) |
| Grotjahn, Caroline Auguste Dorothee (1881- ) |
| Hennigs, Heinrich Ernst August (1880-1942)
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| Grotjahn, Frieda Auguste Caroline (1883-1965)
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| Hennigs, Heinrich Carl Otto (1908-1966) |
| Hennigs, Frieda Helene (1912- ) |