4 Generation Circle Diagram: |
| Joanna Louise Volk Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gerrit Otter < Jan Otter |
| Gerrit Otter Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Joanna Louise Volk < Jan Otter |
| Jan Otter Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Femmigje "Femmetjen" Sterken < Hendrik Otter |