Karel Klaver (born 29 September 1978 in Amsterdam, North Holland) is a field hockey player from the Netherlands, who won the silver medal with the national squad at the 2004 Summer Olympics in Athens. References External links 1978 births Living people Dutch male field hockey players Olympic field hockey players of the Netherlands Olympic silver medalists for the Netherlands Field hockey players at the 2004 Summer Olympics Field hockey players from Amsterdam Olympic medalists in field hockey Medalists at the 2004 Summer Olympics HC Bloemendaal players 2002 Men's Hockey World Cup players 2006 Men's Hockey World Cup players 20th-century Dutch people 21st-century Dutch people