Princess Marie attended elementary school in Ering am Inn from 1946 to 1950, then the Lioba Sisters' boarding school at the monastery 'Wald' in Württemberg from where she graduated after eight years.
In 1957 she spent an extended period of time in England in order to improve her English. Princess Marie then commenced her tertiary studies and three years later she graduated from the Academy for Applied Arts at the University of Munich. She then spent time in Paris where she improved her command of the French language.
Princess Marie then took up employment as an industrial designer for a printing house in Dachau. In 1965 she became engaged to her present husband The Prince.
On 30 July 1967, Princess Marie as the then Countess Kinsky of Wchinitz and Tettau married Prince Hans-Adam II of Liechtenstein. The couple have four children: Hereditary Prince Alois, born 11 June 1968; Prince Maximilian, born 16 May 1969; Prince Constantin, born 15 March 1972; and Princess Tatjana, born 10 April 1973.