4 Generation Circle Diagram: |
| Cornelia Sterker Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hendrikus van Erp < Adrianus van Erp |
| Johanna Spierings Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hendrikus van Erp < Theodsora van Erp < Hendrika van Erp |
| Theodsora van Erp Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sibling Hendrika van Erp |