NGV Stambomenverzameling
Gezin: Jan Harm Kalkdijk / Johanna Wilhelmina Warringa (F20235)
getr. 26 nov 1930Johannes Kalkdijk (1871-1952) 
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Nella Johanna Kuiper (1865-1904)
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| Derk Kalkdijk (1898-1898) |
| Geesje Kalkdijk (1901-1901) |
| Dikus Gerhardus Kalkdijk (1903-1955) |
Berend Warringa (1894-1971)  |
| Harm Warringa (1897- ) |
| Jan Harm Kalkdijk (1897-1936)
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| Johanna Wilhelmina Warringa (1903- )
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