4 Generation Circle Diagram: |
| Lambertus van Grol Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree < Johanna van Grol |
| Johanna van Grol Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree < Pieter van Grol |