4 Generation Circle Diagram: |
| Albertina Harmanna Huitzing
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Andries Blaak < Abram Blaak < Willempje Blaak < Jacob Blaak < Jan Andries Blaak |
| Henriette Teune
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Jan Andries Blaak < Saskia Blaak < Andries Blaak |
| Saskia Blaak
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Marien J. Luijk Sibling Andries Blaak |