| | Roelof Thomas Slop 1890–1941 Adrienne Henriétte Gérardine Gabry 1892–1944 | | | | Neeltje Tienstra 1865–1956 | | | | Aaltje de Groot 1833–1873 Neeltje van Calcar 1839–1877 Elisabeth Koene 1825–1909 | | | | Gerrit Pieters Slop 1807–1866 | | |
| | | Jurriaan de Groot 1808–1847 Guurtje Landsman 1812–1883 | | |
| | | Gerrit van Calcar 1798–1863 Trijntje Vegter 1800–1869 |
| |
|
| | | Roelof Thomas Tienstra 1832–1895 Margaretha Elisabeth Bruné 1840–1932 |
|
|
| | | Lambertus Cardon 1873–1912 |
| | | Henri Constantijn Gabry 1861–1939 Maria Regina Wölcken 1862–1939 |
|
|