4 Generation Circle Diagram: |
| Pietronella Spreeuw Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelis van Gennip < Johanna van Gennip |
| Cornelis van Gennip Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pietronella Spreeuw < Johanna van Gennip |
| Johanna van Gennip Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Godefridus van der Kaa |