Stamboom Vennik
Apolonia Langelaan
1879 - 1912 (32 jaar)
Opm.: Scroll eventueel naar beneden of naar rechts om alles te kunnen zien.
| Margaretha Maria Helderman 1905-1919 |
| Margaretha Maria Helderman | |
| G: | 6 aug 1905 |
| Monster | |
| O: | 12 mrt 1919 |
| Monster | |
 | Nicolaas Josephus Helderman 1906-1992 |
| Nicolaas Josephus Helderman | |
| G: | 26 aug 1906 |
| Monster | |
| O: | 14 jul 1992 |
| Vleuten | |
| Catharina Carolina Maria Olsthoorn 1905-2006 |
| Catharina Carolina Maria Olsthoorn | |
| G: | 22 nov 1905 |
| Wateringen | |
| H: | 21 apr 1932 |
| Wateringen | |
| O: | 24 jan 2006 |
| Woerden | |
| Catharina Maria Helderman 1912-1912 |
| Catharina Maria Helderman | |
| G: | 6 mrt 1912 |
| Monster | |
| O: | 21 mrt 1912 |
| Monster | |
| Apolonia Langelaan 1879-1912 |
| Apolonia Langelaan | |
| G: | 25 nov 1879 |
| Vlaardingerambacht | |
| O: | 9 apr 1912 |
| Monster | |
| Jacobus Nicolaas Helderman 1876-1954 |
| Jacobus Nicolaas Helderman | |
| G: | 16 aug 1876 |
| Monster | |
| H: | 22 apr 1904 |
| Vlaardingerambacht | |
| O: | 18 mei 1954 |
| Delft | |