
politician
Italian noble and politician (1724-1796)
Marcantonio Colonna, 3rd Prince of Sonnino and 4th Marquess of Castelnuovo was an Italian nobleman, military and politician. He was Prince of Sonnino, Marquess of Castelnuovo, Grandee of Spain, and Knight of the Order of Saint Januarius. He became Viceroy of Sicily in 1775.
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