William II, or Willem Frederik George Lodewijk, was the king of the Netherlands (from 1840 to 1849), grand duke of Luxembourg, and duke of Limberg.
Richard Krajicek was born on 06 December 1971. He was Dutch national and known as Tennis player.
George Uhlenbeck was born on 06 December 1900. He was Dutch national and known as Theoretical Physicist.
Janus Dousa was born on 06 December 1545. He was Dutch national and known as Statesman.