4 Generation Circle Diagram: |
| Geertrui Onstenk Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Derk Harmsen < Jan Harmsen |
| Derk Harmsen Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Geertrui Onstenk < Jan Harmsen |
| Jan Harmsen Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Aaltjen Groot Tjooitink < Alberdina Harmsen |