4 Generation Circle Diagram: |
| Aaltje Sijbes Terpstra Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sjoerd Andries Sjoerdsma < Wieger Sjoerdsma |
| Sjoerd Andries Sjoerdsma Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Aaltje Sijbes Terpstra < Wieger Sjoerdsma |
| Wieger Sjoerdsma Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Adriana Maria de Rooij |