4 Generation Circle Diagram: |
| Maria van Schie Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pieter Koopmans < Willem Simon Koopmans |
| Pieter Koopmans Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria van Schie < Willem Simon Koopmans |
| Willem Simon Koopmans Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jacoba Mulder < Pieter Koopmans |