4 Generation Circle Diagram: |
| Teuntje van der Dussen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Willem van Loon < Dora van Loon |
| Willem van Loon Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Teuntje van der Dussen < Dora van Loon |
| Dora van Loon Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Adriaan Nederveen < Willem Nederveen |