4 Generation Circle Diagram: |
| Klaasje de Boer Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Klaas Cornelis Kater < Sijbregt Kater |
| Klaas Cornelis Kater Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Klaasje de Boer < Sijbregt Kater |
| Willempje Maatjes Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelis Roskam < Hannes Cornelisz Roskam |
| Cornelis Roskam Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Willempje Maatjes < Hannes Cornelisz Roskam |