Klaas Dijkhoff
(m)
1981-
Notable Politicians and Statespeople
Klaas-Jan Huntelaar
(m)
1983-
Notable Athletes (soccer)
Klaas Vermeulen
(m)
1988-
Olympic Medalists 2012 field hockey (silver)
Klaas-Erik Zwering
(m)
1981-
Olympic Medalists 2004 swimming - 4x100 m freestyle relay (silver)