1931-
| Adriana Jacoba Elfferich | |
| G: | 13 mei 1931 |
| Rotterdam | |
1908-
| Hendrik Elfferich | |
| G: | 17 jun 1908 |
| Rotterdam | |
| Helena de Wolf | |
| H: | 25 feb 1931 |
| Rotterdam | |
| Elisabeth Pieternella Cornelia Koop | |
| H: | 29 mrt 1939 |
| Rotterdam | |
| Elizabeth Adriana Jacoba Elfferich | |
| G: | 9 sep 1912 |
| Rotterdam | |
| Adriaan van Lier | |
| H: | 26 jul 1939 |
| Rotterdam | |
-1916
| Hendrik David Elfferich | |
| G: | Rotterdam |
| O: | 6 jun 1916 |
| Rotterdam | |
1877-1958
| Adriana Jacoba van Oostendorp | |
| G: | 26 aug 1877 |
| Rotterdam | |
| H: | 8 jan 1902 |
| Rotterdam | |
| O: | 10 dec 1958 |
| Rotterdam | |