Of the Spoelstra family it concerns the tree line that begins in Smallingerland (Drachten). The tree line of the Dirksen family goes back to the south-east corner of Friesland - Ferwoude and Kubaard.

The index list contains 329 names of relatives. On this site you may see the trees in a text presentation as well as in a graphical presentation. The graphical presentation requires your browser to support Java applications. To achieve that, you may download the software by the menu bar above (Javasoftware).

All data are also found on the network of Geneweb (GeneaNet). There it is possible for family members interactively to put together their own summeries (listings, trees, etc.). If you wish to use the data for further research or to use it in your own application, then you may download here the GEDCOM-file. A GEDCOM-file that contains specific information is available only for family members.

On the menu bar above you can choose the various options.