4 Generation Circle Diagram: |
| Wilhelmina Alberta Bloemberg
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Teunis Blaak < Uilkina Blaak < Anna Blaak < Jan Blaak < Henderika Blaak |
| Jan Gankema
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Uilkina Blaak < Wilhelmina Albertha Gankema |
| Wilhelmina Albertha Gankema
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart |