NGV Stambomenverzameling
Gezin: Gerrit Jan Kap / Martha Franziska Alwicher (F18392)
getr. 9 mei 1931Willem Alwicher (1877-1943) 
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Harmina Outjers (1877-1927)
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| Jan Willem Cornelis Alwicher (1903-1904) |
| Cornelia Wilhelmina Alwicher (1904- ) |
Wilhelmina Alwicher (1906-1988)  |
| Johanna Alwicher (1907-1984) |
| Elisa Maria Alwicher (1908-1985) |
| Alijda Antonia Aleida Alwicher (1909- ) |
| Hermine Alwicher (1910- ) |
| Katharina Alwicher (1914-1915) |
| Gerrit Jan Kap (1908-1956)
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| Martha Franziska Alwicher (1912-1996)
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| Johan Herman Kap (1933- ) |