4 Generation Circle Diagram: |
| Bartha Boerma
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Hergen Schuringa < Jacob Schuringa < Egge Schuringa < G. S. Schuringa |
| Jacoba Marchiene Schuringa
Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Jan Spriensma Sibling Harma Jacoba Schuringa Bartha Geerda Schuringa |