4 Generation Circle Diagram: |
| Aartje van Leeuwen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Peter van Gammeren < Maria van Gammeren |
| Peter van Gammeren Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Aartje van Leeuwen < Maria van Gammeren |
| Maria van Gammeren Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Willem de Bruijn < Jan de Bruijn |