[1] Nikolaus was born in Zürich as the third son of Franz Joseph II, Prince of Liechtenstein and his wife, Countess Georgina of Wilczek.

In 1950 at the age of three Nikolaus was made a Knight of Justice in minority of the Sovereign Military Order of Malta.

Nikolaus completed his primary education in Vaduz before attending the Schottengymnasium in Vienna and the Lyceum Alpinum Zuoz.

[5] Niklaus was Chief Scout (German: Korpsführer) of Fürstlich Liechtensteinische Pfadfinderkorps St. Georg from 1971 to 1989.

[7] Nikolaus spoke at the European Forum of Guild-Scouts in Grossarl in 1990 about the topic of hunting and nature protection.