4 Generation Circle Diagram: |
| Elisabeth Swinkels Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Peter van Erp < Maria van Erp Peter van Erp < Maria van Erp |
| Josina "Petronella" Zweegers Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sibling Johannes "Petrus" Zweegers |