Olfert Fiepkes Koolman 1772–1846 Ubbina Groeneveld 1777–1850 | | |
| | Anna Immina Brons 1842–1881 Derk van Delden 1839–1897 | | |
| | Antje (Anna) Cremer ten Doornkaat 1810–1902 | | |
Reinhard Rahusen 1845–1903 | | |
| | Anna ten Doornkaat Koolman 1813–1851 Claas Reinhards Rahusen 1810–1874 | | |
Jan ten Doornkaat Koolman 1848–1870 | | |
| | Hildebrand ten Doornkaat Koolman 1854–1903 | | |
| | Jan ten Doornkaat Koolman 1815–1889 Menna Johanna Silomon 1821–1891 | | |
| | Jan ten Doornkaat Koolman 1850– Maria Margarethe Berends 1851– | | |
Hermann ten Doornkaat Koolman 1857–1908 | | |
Jacobus ten Doornkaat Koolman 1859– | | |
| | Fiepko ten Doornkaat Koolman 1817–1876 Friederike Caroline Hitjer 1823–1905 | | |
| | Jan Fiepkes ten Doornkaat Koolman 1773–1851 Antje Doedes Cremer 1778–1810 Jeikelina Jans Cool 1792–1878 | | |
| | Fiepko Olferts (Koolman) 1745–1817 Annegien ten Doornkaat 1749–1795 | | |
Tryntje Olferts Koolman 1757–1814 | | |
Emke Olferts Koolman 1765–1832 Lulof (Luilf) Harms Koolman 1766–1799 | | |
| | Beertje Scholtes 1721–1749 Antje Hindriks Coolman 1736–1815 | | | | | | Hindrik Harms (Coolman) 1697–1759 | | | | Harm Fiepkes (Feepkens) 1660–1709 | | | | | | | | Aaghtje Feepkes 1605–1668 | | |
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