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Klaas Konrad Diedrich Block (1852-1934) |
Johanna Adriana Okhuijzen (1861-1929)
|
Anna Aletta Block (1884-1938)  |
| Klaas Konrad Diedrich Block (1894- ) |
| Willem Frederik Block (1889-1968)
|
| Maria Stevens (1893-1980) |
| Wilhelmina Frederika Maria Block (1913- ) |
| Maria Anna Aletta Block (1914- ) |
| Lucretia Ceclia Block (1917- ) |
| Willem Frederik Block (1925- ) |
