4 Generation Circle Diagram: |
| Grietje Haeij Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Klaas Oort < Jacob Oort < Liefje OOrt |
| Klaas Oort Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Grietje Haeij < Jacob Oort < Liefje OOrt |