4 Generation Circle Diagram: |
| Eva Franzen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Victor Koch < Gertrude Koch |
| Victor Koch Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Eva Franzen < Gertrude Koch |
| Gertrude Koch Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hans Joachim "Hans" Plasterk < Klaus Jèurgen Plasterk < Hans Plasterk |