4 Generation Circle Diagram: |
| Maria Jacobs Thijssen Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jacobus Johannes Timmers < Petrus Jacobus Timmers |
| Jacobus Johannes Timmers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Maria Jacobs Thijssen < Petrus Jacobus Timmers |
| Joanna Simon Wilhelmus (Family name unknown) Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Petrus Jacobus Timmers < Anna Maria Peter Timmer |
| Petrus Jacobus Timmers Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Joanna Simon Wilhelmus (Family name unknown) < Anna Maria Peter Timmer |
| Anna Maria Peter Timmer Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Theodorus Antonius van der Aa < Theodora Maria "Dora" van der Aa |