4 Generation Circle Diagram: |
| Willempje Kok Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Frans Valk < Neeltje Valk |
| Frans Valk Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Willempje Kok < Neeltje Valk |
| Neeltje Valk Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Willem Verdonk < Jan Verdonk |