| | Gerardus Derksen 1856–1930 Theodora Calina van Merm 1863–1938 | | | | | | | | Joannes Franciscus "Jan" Derksen 1769–1844 Hendrina van Mierlo 1795–1883 | | | | Hermanus Derksen 1739–1815 Elisabeth Meijers 1742–1813 | | |
| | | Cornelis van Mierlo 1744–1821 Lijsbeth Hulshorst 1759–1832 | | |
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| | | Theodora Eeuwes 1788–1852 | | | | Henrica van Oosterop 1730–1795 | | |
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| | | Fredericus "Frederik" van Merm 1827–1899 Johanna Opgenoort 1830–1892 | | | | Gijsbertus van Merm 1792–1831 Theodora Rasing 1798–1875 | | | | Rutgerus van Merm 1748–1821 Cornelia Ederveen 1752–1828 | | |
| | | Fredericus Rasing 1766–1822 Anna Maria Mattijssen 1784–1854 | | |
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| | | Johannes "Jan" Opgenoort – |
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