4 Generation Circle Diagram: |
| Antoneta "Theuntje" Kommers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gerrit Knaap < Pieter Knaap < Geertruij Knaap |
| Gerrit Knaap Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Antoneta "Theuntje" Kommers < Pieter Knaap < Geertruij Knaap |
| Pieter Knaap Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria Barbera van Dongen Sibling Geertruij Knaap |