4 Generation Circle Diagram:
Joannes Hermannus "Johan" Walstra
Joannes Hermannus "Johan" Walstra
Pedigree Tree
Pedigree Map
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Interactive Tree
Gerrigje Geerts "Gerrechien" Schuitema
< Gerardus Walstra
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