Tolomeo Gallio (also spelled Gallo and Galli; 25 September 1527 – 3 or 4 February 1607) was an Italian Cardinal.

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Quick Facts Church, In office ...

Tolomeo Gallio
Cardinal-Bishop of Ostia e Velletri
Church	Catholic Church
In office	1603–1607
Predecessor	Alfonso Gesualdo di Conza
Successor	Domenico Pinelli
Orders
Created cardinal	3 February 1607
Rank	Cardinal Bishop
Personal details
Born	25 September 1527 Cernobbio
Died	3 or 4 February 1607 (age 79) Rome, Italy
Nationality	Italian

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In the time of Pope Gregory XIII, he acted as papal secretary of state (in office 1572 to 1585), having a key role in the curia.^[1]

He built the Villa d'Este, in his birthplace Cernobbio, in 1568, as a summer residence; and the Palazzo Gallio of Gravedona.

He was bishop of Martirano in 1560, archbishop of Manfredonia in 1562, bishop of Albano in 1587, bishop of Sabina in 1589, bishop of Frascati in 1591, bishop of Porto e Santa Rufina in 1600, bishop of Ostia in 1603.

Tolomeo in 1595 acquired the County of Alvito (later Duchy) in southern Lazio, which he assigned to his nephew Tolomeo; the Gallio family held the fief until 1806.