| Elisabeth Sierig |
| Elisabeth Sierig | |
| G: | 5 jun 1912 |
| Amsterdam | |
| Petronella Hendrika Wilhelmina Sierig | |
| G: | 22 feb 1914 |
| Amsterdam | |
|
| Johanna Groot |
| Johanna Groot | |
| G: | 13 jan 1885 |
| Amsterdam | |
| Johan Frederik Sierig |
| Johan Frederik Sierig | |
| G: | 16 dec 1880 |
| Den Helder | |
| H: | 4 aug 1908 |
| Arnhem | |