Achterhoek Ancestors
Family: Harmen Jan Brethouwer / Grada Berendina Winkelhorst (F9820)
m. 01 Jun 1849Bernadus Brethouwer (1781-1868) 
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Harmina Eeltink (1785- )
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| Harmanus Winkelhorst (1792-1852)
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| Willemina Bijvank (1798- )
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Lambartus Christianus Winkelhorst (1822- )  |
| Harmen Jan Brethouwer (1820- )
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| Grada Berendina Winkelhorst (1825- )
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