Tags: Noble.
Claus Felix von Amsberg (German: Klaus Felix Friedrich Leopold Gabriel Archim Julius August von Amsberg; 1 September 1890 – 19 December 1953) was a member of the German Niederer Adel (lower nobility) and father of Prince Claus of the Netherlands who was the father of King Willem-Alexander of the Netherlands thus making him the paternal grandfather of the current Dutch monarch.