4 Generation Circle Diagram: |
| Gertruida Albers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Joannes Kouwens < Johanna Kouwens < Hendrik Kouwens < Helena Kouwens |
| Joannes Kouwens Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gertruida Albers < Johanna Kouwens < Hendrik Kouwens < Helena Kouwens |