Gezin: Petrus Gerardus DUKER / Maria Catharina RÖHRMAN (F145)
getr. 8 jul 1903Johan Laurens DUKER (1840-1880) 
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Maria BLAAUW (1848-1900)
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| Petrus Gerardus DUKER (1873-1924)
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| Maria Catharina RÖHRMAN ( -1961) |
| Johan Laurens DUKER (1840-1880)
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| Maria BLAAUW (1848-1900)
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| Petrus Gerardus DUKER (1873-1924)
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| Maria Catharina RÖHRMAN ( -1961) |