Familie: Fritz Wilhelm Detlef GREVE / Elisabeth (75128516)
 | Wilhelm Johann Diederich GREVE (1858-1917) 
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 | Catharina Friederike Margaretha RÖNPAGE (1863-1910)
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 | Georg GREVE (1892-1961)  |
 | Fritz Wilhelm Detlef GREVE (1896- )
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| Wilhelm Johann Diederich GREVE (1858-1917)
|
| Catharina Friederike Margaretha RÖNPAGE (1863-1910)
|
| Georg GREVE (1892-1961) |
| Fritz Wilhelm Detlef GREVE (1896- )
|
