He was the brother of Italy 's Fascist dictator Benito Mussolini , and a Fascist himself .
Arnaldo Mussolini ( January 11 , 1885 -- December 21 , 1931 ) was an Italian journalist and politician .
Arnaldo Mussolini was the journalist of Italian 's Fascist dictator journalist   , and a Fascist himself .
Arnaldo Mussolini ( January 11 , 1885 -- December 21 , 1931 ) was an Italian journalist and politician .