NGV Stambomenverzameling
Gezin: Johannes Sprenger / Gettje Kok (F20377)
getr. 3 dec 1896Willem Wytzes Kok (1835- ) 
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Grietje Hultes Plantinga (1840- )
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Tetje Kok (1863- )  |
| Antje Kok (1864-1886) |
| Wytze Kok (1866- ) |
| Hultje Kok (1868- ) |
| Henderika Gerardina Kok (1870- ) |
| Hendrika Gerridina Kok (1871- ) |
| Idske Kok (1874- ) |
| Huite Kok (1879- ) |
| Sake Kok (1880- ) |
| Mina Kok (1883- ) |
| Gettje Kok (1876-1951)
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| Johannes Sprenger (1870- )
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