4 Generation Circle Diagram: |
| Anna Maria Siebers Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Nicolaas Martinus Snijders < Petrus Nicolaas Johannes Snijders |
| Nicolaas Martinus Snijders Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Anna Maria Siebers < Petrus Nicolaas Johannes Snijders |