Namesakes
Nobel Prize Winners:
1 medicine
(medicine) Christiaan Eijkman 1929 
Notable Artists:
1 painter
Pyke Koch (a.k.a. Christiaan) 1901-1991
Notable Philosophers and Thinkers:
1 mathematician
Christiaan Huygens 1629-1695
Notable Scientists and Inventors:
1 astronomer/physicist, 1 physician
Christiaan Huygens 1629-1695
Christiaan Eijkman 1858-1930
Notable Writers:
1 author/columnist
Rutger Bregman (a.k.a. Christiaan) 1988-
Other Royalty:
2 princes
Friso of Orange-Nassau (a.k.a. Christiaan) 1968-2013 Netherlands
Pieter-Christiaan of Orange-Nassau 1972- Netherlands