4 Generation Circle Diagram: |
| Cornelia Elisabeth van Leeuwen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hendrik Cornelis Volkers < Johannes Volkers |
| Hendrik Cornelis Volkers Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelia Elisabeth van Leeuwen < Johannes Volkers |
| Johannes Volkers Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Philippina Suzanna Helena van den Bergh |