Alfonso Gesualdo di Conza

Alfonso Gesualdo di Conza (20 October 1540–14 February 1603) was an Italian Cardinal, from 1561. He was from Naples. His attendance at the papal conclave of 1565-6 at the age of only 25 makes him one of the youngest Cardinals ever to participate in a papal election.

He was archbishop of Conza in 1564, bishop of Albano in 1583, bishop of Frascati in 1587, bishop of Porto e Santa Rufina in 1589, bishop of Ostia in 1591, archbishop of Naples in 1596.

He was a patron of Sant'Andrea della Valle, in Rome, the mother church of the Theatine Order. The composer Carlo Gesualdo was his nephew.

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