| Father | Male Anton Thomassen |
| Born | cir 1876 | |
| Died | ||
| Buried | ||
| Married | 16 Jul 1919 | Arnhem, Gelderland, Netherlands |
| Father | ||
| Mother | ||
| Mother | Female Maria Helena Rietveld |
| Born | cir 1877 | |
| Died | 25 Oct 1947 | Arnhem, Gelderland, Netherlands |
| Buried | ||
| Father | Franciskus Cornelus Rietveld | F183876 Group Sheet | |
| Mother | Helena Maria Beumer | F183876 Group Sheet | |