4 Generation Circle Diagram: |
| Alida van Hoof Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johannes Oosterwaal < Allegonda Oosterwaal |
| Willemke de Kock Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hendricus Ilmer < Frans Ilmer < Helena Ilmer < Willem Ilmer |
| Hendricus Ilmer Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Willemke de Kock < Frans Ilmer < Helena Ilmer < Willem Ilmer |