Leonardo Grosso della Rovere
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Leonardo Grosso della Rovere was born in Savona in 1464, the son of Antonio Grosso and Maria della Rovere, a member of the House of della Rovere. He was a grand-nephew of Pope Sixtus IV and a nephew of Cardinal Girolamo Basso della Rovere. One of his brothers, Clemente Grosso della Rovere, also became a cardinal.
He accompanied the pope on his expeditions against the House of Bentivoglio in Bologna and the Baglioni family of Perugia. He accompanied the pope to Viterbo on August 30, 1506, becoming papal legate to that city. On February 1, 1507, he was made papal legate to Perugia. Also in 1507, he served as the ambassador of Louis XII of France in Rome.
On December 15, 1508, he opted for the titular church of Santa Susanna. He was the governor of Rome in 1510. He served as Major Penitentiary from October 5, 1511 until his death. He was papal legate to the Patrimonium Sancti Petri in 1511.
Together with Cardinal Lorenzo Pucci, he was the executor of the will of Pope Julius II. In this capacity, he collaborated with Michelangelo on the Tomb of Pope Julius II in San Pietro in Vincoli.
He died in Rome on September 17, 1520, and was buried in the Basilica di Santa Maria Maggiore.