| | Theodorus Cornelis Josephus "Theo" de Groen 1895–1972 Gertrudis Engelina Johanna Maria Weninck 1901–1958 | | | | Theodorus Johannes de Groen 1862–1923 Anna Maria Luijben 1861–1906 | | | | Theodorus Wesselus de Groen 1814–1893 Cornelia Katarina van Sadelhoff 1828–1907 | | | | Johannes Thomas de Groen – Anna Elisabeth van Open – |
| | | Johannes Stephanus "Jan" van Sadelhoff 1791–1867 Hendrina Peelen 1788–1831 Elisabeth Johanna Daams 1809–1858 | | |
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