4 Generation Circle Diagram: |
| Elisabeth Dol Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pieter Koomen < Gerrit Koomen |
| Pieter Koomen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Elisabeth Dol < Gerrit Koomen |
| Gerrit Koomen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Aaltje Sul |