4 Generation Circle Diagram: |
| Wilhelmina Gerdina van de Bijl Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johan Frederik Halm < Anna Hendrika Halm |
| Johan Frederik Halm Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Wilhelmina Gerdina van de Bijl < Anna Hendrika Halm |
| Anna Hendrika Halm Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Gerrit Jager < Alida Jager |