4 Generation Circle Diagram: |
| Johanna Maria Smits Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Nicolaas Snelders < Maria Adriana Snellens |
| Nicolaas Snelders Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johanna Maria Smits < Maria Adriana Snellens |
| Peter "Peter" Groenendaal Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sibling Theo "Theo" Groenendaal |