4 Generation Circle Diagram: |
| Pieternel Wagemakers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gerrit van Loon < Geertruij van Loon |
| Gerrit van Loon Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pieternel Wagemakers < Geertruij van Loon |
| Geertruij van Loon Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Adrianus de Kok < Adriana "Jaan" de Kok < Peter Adrianus de Kok |