4 Generation Circle Diagram: |
| Jacoba Sijmens Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Nicolaas Bernardus Speekenbrink < Bernardus Speekenbrink |
| Nicolaas Bernardus Speekenbrink Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jacoba Sijmens < Bernardus Speekenbrink |
| Bernardus Speekenbrink Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Agatha van de Laar < Franciscus Dominicus Speekenbrink |