4 Generation Circle Diagram: |
| Huijberdina van Alphen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Henricus van Loon < Jan van Loon |
| Henricus van Loon Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Huijberdina van Alphen < Jan van Loon |
| Jan van Loon Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Anna Trompers < Hendrik van Loon |