4 Generation Circle Diagram: |
| Jacoba Pennings Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johannes Buitenkamp < Jacobus Martinus Buitenkamp |
| Johannes Buitenkamp Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jacoba Pennings < Jacobus Martinus Buitenkamp |
| Jacobus Martinus Buitenkamp Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Rebekka Johanna Francisca Geertruida de Bruijn |