4 Generation Circle Diagram: |
| Neeltje Verhoeff Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Pieter van Velzen < Jannetje van Velzen |
| Pieter van Velzen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Neeltje Verhoeff < Jannetje van Velzen |
| Jannetje van Velzen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Cornelis van der Spek < Pieter Jacobus "Piet" van der Spek |