4 Generation Circle Diagram: |
| Petronella de Graaf Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jacobus Pols < Maria Pols |
| Jacobus Pols Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Petronella de Graaf < Maria Pols |
| Maria Pols Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jan Adriaan Kamp |