Complex sentence: Archduke Leo Karl Maria Cyril-Methodius Habsburg-Lorraine, Archduke of Austria (5 July 1893, Pula--28 April 1939, Bestwina) was the son of Archduke Charles Stephen of Austria and Archduchess Maria Theresia, Princess of Tuscany.
Split into simpler sentences: Archduke Leo Karl Maria Cyril-Methodius Habsburg-Lorraine, Archduke of Austria, was born on the 5th of July 1893 in Pula. Son of Archduke Charles Stephen of Austria and Archduchess Maria Theresia, Princess of Tuscany.