[1] In the 1930s, the Catholic conservative and nationalist convictions of Schwarzenberg led him to play a leading role in the fascist movement Vlajka where he promoted monarchism mixed with fascism.

He was popular among the poor people, but he had enemies in the ranks of the Czechoslovak government and also the German elites of Nazi Germany because of his pro-Czech and anti-Nazi policy.

[4] As a member of high nobility, he was related to numerous historical personas, notably the Austrian general and patron of Beethoven Eduard Clam-Gallas, who was his great grandfather.

[5] Schwarzenberg studied forestry at the Prague Polytechnic and later history and heraldry at the Charles University with professor Josef Pekař.

Schwarzenberg left Czechoslovakia to exile in Vienna, where he worked as an archivist and studied historical connections between Czech and Russian nobility.