| | Sunke Ulferts Janssen 1831–1902 | | |
| | Grietje Ulferts Janssen 1834–1914 Jakob Johannes Herlyn 1829–1899 | | |
Freerk Ulferts Janssen 1848–1848 | | |
| | Ulfert Sonneken Janssen 1803–1879 Enneke Poppen van der Velde 1803–1841 Fentje Freerks Aissen 1805–1859 | | |
| | Antje Ulferts Smid 1779–1839 Suntcke od. Sonneke Christians 1749–1813 | | |
| | Ulfert Folckers 1745–1798 | | |