Question:  Fabrizio Ciano was the son of a foreign minister who left behind a diary that was used in an HBO documentry-drama entitled what?
Sentence (from "Fabrizio Ciano"): Fabrizio Ciano, 3rd Count of Cortellazzo and Buccari (1 October 1931 - 8 April 2008) was the son of Count Galeazzo Ciano and his wife Edda Mussolini, and grandson of Benito Mussolini.
Relevant evidence: Yes