| | Johannes Gravendaal 1867–1932 Cornelia Johanna Wilhelmina Landzaat 1868–1951 | | | | Cornelis Johannes Gravendaal …–1928 Johanna Maria Cappelle van 1843–1933 | | | | Neeltje Horst van der …–… |
| | | Cornelia Gijsberta Grondijs …–… |
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| | | Anthonie Landzaat 1828–1882 Cornelia Johanna Wilhelmina Bouman 1833–1888 | | | | Johannes Antonie Landzaat 1802–1871 Barbara Johanna Kleijn de 1804–1867 | | | | Antonie Landzaat 1768–1821 Willemina Pierik ten 1771–… | | |
| | | Catharina Frederica Hofman …–… |
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| | | Anthonia Schalkwijk van 1801–1869 | | | | Catharina Eijndhoven 1768–1834 |
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