Alexander Karel ‘Lex’ Velthuijsen 1939– Maria Rosa Theodora ‘Marja’ Roelofsen 1941–2000 | | | | Alexander Johannes Jacobus Velthuijsen 1903–1965 | | | | Frederik Karel Johan Velthuijsen – Susanna Henriëtte Kampmeijer – |
| | | Sijtze de Vries 1876–1911 | | | | Sietze Eeuwes de Vries 1843–1876 Elisabeth Harmens de Boer 1843–1921 | | | | Eeuwe Abrahams de Vries 1797–1862 Teetke Gerrits Wijnberg 1804–1873 | | |
| | | Harmen Dirks de Boer 1815–1892 Elisabeth Dirks ‘Liesbet’ Visser 1818–1868 | | |
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| | | Wouter Douwes Bakker 1832–1909 Pietje Klazen van der Laag 1838–1923 | | | | Douwe Jans Bakker 1797–1863 Grietje Gerrits Klip 1789–1856 | | |
| | | Klaas Driewes van der Laag 1798–1883 Antke Freerks Visser 1804–1888 | | |
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