4 Generation Circle Diagram: |
| Catharina Maria Willemse Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Leonardus van Loon < Cornelis Henricus Maria van Loon |
| Leonardus van Loon Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Catharina Maria Willemse < Cornelis Henricus Maria van Loon |