4 Generation Circle Diagram: |
| Geertje Wiegers Zoodsma Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sybe Jans Oberman < Sjoukje Oberman |
| Sybe Jans Oberman Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Geertje Wiegers Zoodsma < Sjoukje Oberman |
| Sjoukje Oberman Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Oeds Huizinga |