| Wilhelmina Cornelia Kammann | |
| G: | 17 aug 1899 |
| Rotterdam | |
1902-
| Abraham Kammann | |
| G: | 25 jan 1902 |
| Rotterdam | |
| Cornelia Johanna Adriana Kammann | |
| G: | 12 jan 1903 |
| Rotterdam | |
1904-1904
| Johanna Geertruida Kammann | |
| G: | 9 mei 1904 |
| Rotterdam | |
| O: | 26 aug 1904 |
| Rotterdam | |
| Jurianus Johannes Coenradus Kammann | |
| G: | Rotterdam |
| O: | 3 okt 1941 |
| Rotterdam | |
1877-1963
| Johanna van Bennekum | |
| G: | 21 mrt 1877 |
| Rotterdam | |
| H: | 17 mei 1899 |
| Rotterdam | |
| O: | 7 mei 1963 |
| Rotterdam | |