4 Generation Circle Diagram: |
| Sytske Buwalda Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jan Schaafsma < Gerrit Schaafsma |
| Jan Schaafsma Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sytske Buwalda < Gerrit Schaafsma |
| Gerrit Schaafsma Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Antje Ploegsma < Jan Schaafsma |