4 Generation Circle Diagram: |
| Pietje Wiersma Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hessel de Vries < Gerhardus de Vries |
| Hessel de Vries Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pietje Wiersma < Gerhardus de Vries |