4 Generation Circle Diagram: |
| Maria Marijnis Rommens Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Wilhelmus Govert Speeck < Catharina (Willemse) Speek |
| Wilhelmus Govert Speeck Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria Marijnis Rommens < Catharina (Willemse) Speek |
| Helena Adrianus dr. van Bedaf Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelis Cornelis zn Thijs < Jacomijna Cornelius Tijs |
| Cornelis Cornelis zn Thijs Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Helena Adrianus dr. van Bedaf < Jacomijna Cornelius Tijs |