4 Generation Circle Diagram: |
| Grietje Bosscher Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Marten Siersema < Albert Siersema |
| Marten Siersema Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Grietje Bosscher < Albert Siersema |
| Albert Siersema Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Geertje van der Ploeg < Trijntje Siersema |