4 Generation Circle Diagram: |
| Willemijntje Warmerdam Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jan Roozenburg < Cornelia Vermeer Warmerdam |
| Jacobus de Groot Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria "Marijtje" van Berkel < Johannes de Groot |