4 Generation Circle Diagram: |
| Aaltje de Groot Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jan Boer < Leendert Boer |
| Jan Boer Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Aaltje de Groot < Leendert Boer |
| Leendert Boer Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Geertrui den Bouw |