4 Generation Circle Diagram: |
| Wilhelmina van den Berck Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gijsbertus Spierings < Antonia Spierings |
| Gijsbertus Spierings Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Wilhelmina van den Berck < Antonia Spierings |
| Antonia Spierings Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Wilhelmus van Erp < Adrianus van Erp |