Circle Diagram:
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| Engelina Geerts Olthof
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Sijwert Wilkes Wilkens < Geert Wilkens |
| Jetskina Olthof
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Geert Wilkens < Arentje Wilkens < Sievert Wilkens < Elsina Engelina Wilkens |
| Gerhardus de Vries
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Elsina Engelina Wilkens Arentje Wilkens < Geert Harms de Vries < Ietskina de Vries |
| Ietskina de Vries
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Sibling Geert Harms de Vries |
