Familie: Otto Carl Henrik Nielsen / Sophie Vilhelmine Steckhahn (F501222)
Anton Vilhelm Steckhahn (1851-1926) 
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Thora Josephine Magdalene Hoffmann (1861-1924)
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| Otto Carl Henrik Nielsen (1885- ) |
| Sophie Vilhelmine Steckhahn (1884- )
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Kirsten Steckhahn Nielsen (1914-2002)  |