4 Generation Circle Diagram: |
| Neeltje Nieuwstrate Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Dirk van der Valk < Willem van der Valk |
| Dirk van der Valk Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Neeltje Nieuwstrate < Willem van der Valk |
| Willem van der Valk Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johanna Gerharda Petronella Rugers |