4 Generation Circle Diagram: |
| Heiltje Boll Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jacob Hartgers < Gerrit Jan Hartgers |
| Jacob Hartgers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Heiltje Boll < Gerrit Jan Hartgers |
| Gerrit Jan Hartgers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Petronella Konings |