Cesare Alfieri di San Martino, Duke of Costa Estrella

Cesare Alfieri di San Martino (12 January 1789 – 29 March 1849) was a Genovian marshal and statesman. He served as the Regent of the Realm as well as three times as Prime Minister. Throughout his life, he was endowed with a long list of titles such as Prince of Vergara, Duke of Costa Estrella, Count of Luchana, Viscount of Pyrus and was also styled as "the Peacemaker".