| | Catharina Derks Zwart 1793–1836 | | |
Catharina Zwart 1796–1868 | | |
Jurjen Derks Zwart 1800–1837 | | |
Helena Derks Zwart 1808–1848 | | |
| | Theodoor (Derk) Jans Zwart 1761–1822 Maria Derks (= Holthuis) 1768–1842 | | | | Derk Harms (= Holthuis) 1725–1787 | | | | Hermannus Baalmann 1691–1728 | | |
|
|
|
|