| | Roelf van der Laan 1853–1928 Albertje Pekelder 1857–1934 | | | | Jakob Geerts van der Laan 1804–1892 |
| | | Wijcher Wijchers Pekelder 1810–1873 Grietje Roelfs Baas 1815–1881 | | | | Wijcher Lubberts Pekelder 1752–1827 Albertje Harms Christiaans 1768–1843 | | | | Lubbert Harms Peekelder 1723–… | | |
| | | Harmen Christiaans Ketelaar 1730–1805 | | |
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| | | Albertje Lambertus de Jonge …–… |
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