4 Generation Circle Diagram: |
| Gertruda van Swam Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pierre Bekkers < Marie Bekkers |
| Pierre Bekkers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gertruda van Swam < Marie Bekkers |
| Marie Bekkers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pierre Pennings |