4 Generation Circle Diagram: |
| Geertruij Bor Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Joannes "Jan" Blokzijl < Johannes "Jan" Blokzijl |
| Joannes "Jan" Blokzijl Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Geertruij Bor < Johannes "Jan" Blokzijl |
| Johannes "Jan" Blokzijl Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jannetje Lagas < Ferdinandus Johannes Blokzijl |