4 Generation Circle Diagram: |
| Klaasje Klinkert Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Roelof Kok < Klaas Kok |
| Roelof Kok Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Klaasje Klinkert < Klaas Kok |
| Klaas Kok Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Grietje de Jong < Alida Kok |