Category:Potestaats of Friesland
The potestaat of Friesland was a medieval ruler who ruled over the region or regions of Friesland now a province of the Netherlands.
Subcategories
This category has only the following subcategory.
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Pages in category "Potestaats of Friesland"
The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes.