[1] She was the eldest child of Archduke Joseph Francis of Austria and his wife, Princess Anna of Saxony.
On her eighteenth birthday, Margaret married Alexander Czech, son of General Jószef Cech (1855-1938) and Princess Amalia Erba Odescalchi dei Principi di Monteleone (1889-1969).
He had been made Prince of Monteleone by King Victor Emmanuel III of Italy shortly before his marriage.
In this capacity, he aided Jews during World War II, for which he would receive the Righteous Among the Nations award in 1999.
[2] However in 1945, the threat posed by the Soviet Red Army forced the couple to flee to Sweden with the assistance of Crown Prince Gustaf Adolf.