4 Generation Circle Diagram: |
| Cornelia de Ridder Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree < Cornelis de Ridder |
| Cornelis de Ridder Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jacoba Koolen < Leendert de Ridder |