4 Generation Circle Diagram: |
| Aaltje Willems van der Swet Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Joannis van Nierop < Alida van Nierop |
| Joannis van Nierop Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Aaltje Willems van der Swet < Alida van Nierop |
| Alida van Nierop Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelis Kouwenhoven |