4 Generation Circle Diagram: |
| Jannetje Kuyper Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Bastiaan Koperdraad < Dirk Koperdraad |
| Bastiaan Koperdraad Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jannetje Kuyper < Dirk Koperdraad |
| Dirk Koperdraad Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria van Velzen < Theodorus Koperdraad |