Family: Groeper, Walter H. / Knapheide, Anna Meta (F1768)
m. 26 Feb 1919Knapheide, Ernst Heinrich (1856-1918) 
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Hackmann, Maria Emilie (1865-1930)
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Knapheide, Ernst Julius (1885-1944)  |
| Knapheide, Heinrich Albert (1887- ) |
| Knapheide, Elisabeth Alwine (1889- ) |
| Knapheide, Sophia Annette (1891-1954) |
| Knapheide, Lawine Emma (1894- ) |
| Knapheide, Friedrich Hugo (1899-1972) |
| Knapheide, Caroline Clara (1902-1909) |
| Knapheide, Maria Edna (1904-1904) |
| Knapheide, Maria Anna (1904-1904) |
| Knapheide, Maria Ida (1904-1904) |
| Knapheide, Friedrich Alvin (1905- ) |
| Knapheide, Anna Meta (1897- )
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