Family: Johannes Matthias Osthoff / Johannetta Maria Osthoff (F89795)
Johannes Theodor Osthoff (1701- ) 
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Maria Katharina Daussmann (1703- )
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| Maria Katharina Osthoff (1731- ) |
Karl Christian Osthoff (1764-1834)  |
| Johannetta Maria Osthoff (1733- )
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