4 Generation Circle Diagram: |
| Maria Houtman Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gerardus Nikken < Johanna Maria Nikken |
| Gerardus Nikken Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria Houtman < Johanna Maria Nikken |
| Helena Speelmans Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johannes Ackermans < Johannes Ackermans |
| Johannes Ackermans Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Helena Speelmans < Johannes Ackermans |
| Johanna Maria Nikken Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johannes Ackermans < Johannes Gerardus Josef Ackermans |
| Johannes Ackermans Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johanna Maria Nikken < Johannes Gerardus Josef Ackermans |
| Johannes Gerardus Josef Ackermans Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johanna Cornelia Blom |