4 Generation Circle Diagram: |
| Dimphna Jans van de Kamp Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Joannes Willems Coolen < Theodorus "Dirk" Coolen |
| Joannes Willems Coolen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Dimphna Jans van de Kamp < Theodorus "Dirk" Coolen |
| Theodorus "Dirk" Coolen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Anna van Hoeij < Clara Coolen |