Clara Geertruida Drewes 1895–1962 Johannes Theodorus Holthuis 1888–1962 | | | | Theodorus Henderikus Holthuis 1850–1928 Frolika Gesina Brekeling 1858–1940 | | | | Harmannus Holthuis 1817–1863 Jantje Harms Vaalman 1820–1899 | | | | Derk Harms Holthuis 1786–1875 Anna Joostens Baalman 1790–1863 | | | | Harm Derks Holthuis 1755–1830 Anna Hinderika Fokkes 1760–1836 | | |
| | | Joost Harms Baalman 1752–1833 Maria Roelfs Haas 1762–1830 | | |
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