4 Generation Circle Diagram: |
| Boukje Postsma Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Douwe Steensma < Doekele Steensma |
| Douwe Steensma Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Boukje Postsma < Doekele Steensma |
| Doekele Steensma Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Arnolduske Postma < Gerbrig Steensma |