Complex sentence: Arnaldo Mussolini (Dovia di Predappio Italy, January 11,1885--Milan, Italy, December 21,1931), Italian journalist and politician, was the brother of Italy's Fascist dictator Benito Mussolini, and a prominent Fascist himself.
Split into simpler sentences: Arnaldo Mussolini (January 11,1885--December 21,1931) was an Italian journalist and politician. He was the brother of Italy's Fascist dictator Benito Mussolini, and a Fascist himself.