As is Johan Willem Friso of Oranje (1687-1711), who was a grandson of Johann Georg II von Anhalt-Dessau through his mother.
Johan Willem Friso of Oranje is NOT an ancestor of
Leka Zogu, king of the Albanians, while Johann Georg II was(through his son Leopold I)
History has dubbed Queen Victoria and Christian, king of Denmark, as parental in-laws of Europe's royalty. I believe that King Nicholas of Montenegro might be included on this listing as well. Are there others?
Fürst Johann Georg II (1627-1693) von Anhalt-Dessau is the ancestor of all reigning and former reigning monarchs in Europe