| Levina Jasperina Steendam | |
| G: | 28 feb 1911 |
| Rotterdam | |
| Johannes Lammerse |
| Johannes Lammerse | |
| G: | 17 apr 1907 |
| Den Haag | |
| H: | 13 jul 1938 |
| Rotterdam | |
|
| Bertha Rook |
| Bertha Rook | |
| G: | 27 jan 1887 |
| Moordrecht | |
| Antonie Jacobus Steendam |
| Antonie Jacobus Steendam | |
| G: | 7 jan 1888 |
| Middelburg | |
| H: | 21 dec 1910 |
| Rotterdam | |
| O: | 12 sep 1961 |
| 's-Gravenhage | |