4 Generation Circle Diagram: |
| Johanna Bastiaansen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gerardus van Unnik < Martina Petronella van Unnik |
| Gerardus van Unnik Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johanna Bastiaansen < Martina Petronella van Unnik |