4 Generation Circle Diagram: |
| Trijntje Prins Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hendrik Voortman < Trijntje Voortman < Cornelia Voortman Pieter Kennedij |
| Grietje Mol Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jan Cornelisz. Kras < Klaas Kras < Cornelis Kras Sibling Arisje "Arisje" Mol |
| Trijntje Voortman Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelis Kras < Jan Kras Sibling Cornelia Voortman |
| Cornelis Kras Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Trijntje Voortman < Jan Kras Sibling Klaas Kras |
| Cornelis "Kees" Kras Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Siblings Antje Kras Jaap Kras Private Trijn Kras Lijp Kras Grietje Kras |