Namesakes

Fictional Characters from Traditional Tales: 1 character
Santa Claus   European  
Olympic Medalists: 1 silver
(silver) Claus Schiprowski   1968   pole vault  
Other Royalty: 1 king, 1 prince consort
Claus of the Netherlands   1980-2002   Netherlands  
Willem-Alexander of the Netherlands (a.k.a. Claus)   2013-   Netherlands