| Circle Diagram: | 
| Christina Jacobus Turree Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Cornelius Freerks Halsema < Helena Halsema < Jantje Halsema | 
| Kornelis van der Laan Pedigree Tree Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Berendina Maria Fokkelman Sibling Simon van der Laan Christianus van der Laan | 

 
	

























