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Joannes Hendrikus van Helvoort was hoofdonderwijzer te Zeeland (bron: Leo Adriaenssen. "Zeven eeuwen Donkers, Donckers, De Doncquers. Boeren, burgers en baronnen". Ongepubliceerd manuscript, 17 januari 2012, pag. 152)
1867 |
December 13, 1867
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Nistelrode, Bernheze, Noord-Brabant, Netherlands
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1902 |
October 2, 1902
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Zeeland, Landerd, Noord-Brabant, Netherlands
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1906 |
March 11, 1906
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Zeeland, Landerd, Noord-Brabant, Netherlands
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1908 |
June 4, 1908
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Zeeland, Landerd, North Brabant, Netherlands
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1954 |
October 15, 1954
Age 86
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Grave, Land van Cuijk, Noord-Brabant, Netherlands
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