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 |
| Gertruide Voss Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jean Koenen < Jacobus Koenen |
| Jean Koenen Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gertruide Voss < Jacobus Koenen |
| Jacobus Koenen Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Helena Kouwens < Johannes Koenen < Johannes Koenen |
| Johannes Koenen Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sibling Johannes Koenen |