Overview
Prospero Colonna, Duke of Rignano, Prince of Sonnino (18 July 1858 – 16 September 1937) was an Italian politician and aristocrat. He was twice mayor of Rome (1899–1905, 1914–1919). He served in the Chamber of Deputies and Senate of the Kingdom of Italy.
Biography
Prospero was born in Naples, son of Giovanni Andrea I Colonna, a landowner, and Isabella Alvarez di Toledo. He was descended from the House of Colonna, an ancient aristocratic family.
In his youth, he married Maria Ignazia Massimo. They had 3 children: , Piero (future Fascist politician) and Fabrizio.
In 1895, Colonna was elected to the Chamber of Deputies as the representative of Anagni. He supported the Historical Right. He resigned his charge in 1900. In the same year, Colonna became both a Senator and the Mayor of Rome.
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