4 Generation Circle Diagram: |
| Cornelia de Roon Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Philipus "Philip" Boer < Jan Boer |
| Philipus "Philip" Boer Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelia de Roon < Jan Boer |
| Jan Boer Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria Pols < Philippus Boer |