4 Generation Circle Diagram: |
| Sibbeltje Jansens Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Folkert Postma < Jurrien "Jur" Postma |
| Folkert Postma Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sibbeltje Jansens < Jurrien "Jur" Postma |
| Jurrien "Jur" Postma Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Geertje Bonkestoter < Jan "Jan" Postma |