1784-
| Anna Metje Alefs | |
| D: | 20 apr 1784 |
| Rotterdam | |
-1817
| Jurrien Alefs | |
| G: | Portmont |
| O: | 10 aug 1817 |
| Rotterdam | |
1817-1823
| Gerrit Alefs | |
| G: | 12 mrt 1817 |
| Rotterdam | |
| O: | 23 jun 1823 |
| Rotterdam | |
1786-1835
| Gijsbert Alefs | |
| D: | 19 nov 1786 |
| Rotterdam | |
| O: | 1835 |
| Java, Nederlands Indie | |
| Dirkje Wigbols | |
| H: | 27 aug 1815 |
| Den Helder | |
-1786
| Johanna van Es | |
| B: | 30 nov 1786 |
| Rotterdam | |
| 127 Jurrin Alefs | |
| H: | 5 nov 1782 |
| Rotterdam | |