4 Generation Circle Diagram: |
| Adriana van Eersel Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Peter "Piet" Koekoek < Wilhelmina Koekoek |
| Peter "Piet" Koekoek Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Adriana van Eersel < Wilhelmina Koekoek |
| Wilhelmina "Willemke" Dekker Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Joannes "Jan" Donkersloot < Willem Donkersloot < Arie Donkersloot |
| Joannes "Jan" Donkersloot Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Wilhelmina "Willemke" Dekker < Willem Donkersloot < Arie Donkersloot |
| Catharina Rijken Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Willem Donkersloot < Gerrit Donkersloot |
| Willem Donkersloot Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Catharina Rijken < Gerrit Donkersloot Sibling Arie Donkersloot |
| Gerrit Donkersloot Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Klasina van Wijngaarden < Peter Donkersloot |
| Peter Donkersloot Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jenneke de Rade < Peter "Peter" Donkersloot |