4 Generation Circle Diagram: |
| Adriana van Ammelrooij Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hendrik Christoffel Billen < Willemijna Billen |
| Hendrik Christoffel Billen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Adriana van Ammelrooij < Willemijna Billen |
| Willemijna Billen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Arie van Trigt |