4 Generation Circle Diagram: |
| Teunisken van den Berg Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Berendt Sikkink < Hendrik Sikkink |
| Berendt Sikkink Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Teunisken van den Berg < Hendrik Sikkink |
| Johanna Maria Frederica "Anna" Dèohrn Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hendrik Sikkink < Karel Sikkink |
| Hendrik Sikkink Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johanna Maria Frederica "Anna" Dèohrn < Karel Sikkink |
| Karel Sikkink Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Catharina Maria Cornelissen < Catharina Maria Sikking |