| | Leendert Koorengevel 1951–2011 Wilhelmina Cornelia ‘Wil’ Heusdens 1952–2006 | | | | Cornelis ‘Cor’ Koorengevel 1925–2000 Maartje Meijvogel 1926–2011 | | | | Leendert Koorengevel 1901–1988 Theodora Jacoba Ritman 1903–1994 | | | | Cornelis ‘Kees’ Koorengevel 1865–1947 Naatje van Schrevendijk 1870–1954 | | |
| | | Johan Lodewijk Ritman 1869– Susanna Catharina van Woerkom 1872– | | |
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