| | Cornelis Drieuwis de Boer 1879–1949 Jacoba ‘Coba’ de Vries 1883–1970 | | | | Drieuwes Hendriks de Boer 1848–1928 Jetske Cornelis de Boer 1848–1918 | | | | Hendrik Willems de Boer 1811–1893 Janke Drieuwes van der Laag 1807–1889 | | |
| | | Cornelis Jacobs de Boer 1821–1886 Grietje Cornelis Ruijgh 1823–1865 Hebeltje Cornelis Ruijgh 1837–1884 | | |
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| | | | | | | Jacob Eeuwes de Vries 1834–1935 Jaapje Thijssens Visser 1834–1923 | | |
| | | Cornelis Arjens Nobel 1825–1913 Elisabeth Hendriks Sparrius 1831–1881 Saapke Jans Roep 1841–1918 | | |
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