Family: Friedrich Ketterling / Christina Ruff (F129196)
Jakob Ketterling (1856-1918) 
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Katherina Frederika Boschee (1865-1938)
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| Christine Ketterling (1885- ) |
Justine Ketterling (1887-1976)  |
| August Ketterling (1888-1979) |
| Pauline Ketterling (1890- ) |
| Edward Ketterling (1894-1939) |
| Jakob Ruff (1862- ) |
| Friedrich Ketterling (1892-1959)
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| Christina Ruff (1892-1984)
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