4 Generation Circle Diagram: |
| Sietje (Family name unknown) Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Freerk Ritsema < Geertruid Ritsema |
| Freerk Ritsema Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Sietje (Family name unknown) < Geertruid Ritsema |
| Geertruid Ritsema Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Obbe Reiziger < Freerk Obbes Reiziger |