4 Generation Circle Diagram: |
| Neeltje Kok Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Hendrik de Boer < Geesje de Boer < Jan "Jan" de Boer |
| Hendrik de Boer Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Neeltje Kok < Geesje de Boer < Jan "Jan" de Boer |
| Jan "Jan" de Boer Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Dina Tuijp Sibling Geesje de Boer |