4 Generation Circle Diagram: |
| Pieternella Copier Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Bernardus Kool < Nicolaas Kool |
| Bernardus Kool Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pieternella Copier < Nicolaas Kool |
| Nicolaas Kool Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hermijntje de Jong |