4 Generation Circle Diagram: |
| Cornelia Wilhelmina van der Plaat Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pieter Berkel < Pieter Berkel |
| Pieter Berkel Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelia Wilhelmina van der Plaat < Pieter Berkel |
| Pieter Berkel Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Fijgje de Gorter |