Namesakes
Fictional Characters from Traditional Tales:
1 character
Santa Claus European 
Notable Musicians:
1 musician
Claus Norreen 1970-
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