4 Generation Circle Diagram: |
| Elsien Harms Roghaar
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Andries Jans Blaak < Jan Andries Blaak < Jan Andries Blaak |
| Grietje Kleverenga
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Andries Jans Blaak < Elsie Bouwina Blaak < Derk Blaak < Bouwina Elsie Blaak |
| Elsie Bouwina Blaak
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Hendrik van der Woude Sibling Derk Blaak Bouwina Elsie Blaak |