Giambattista Costaguti (1636–1704) was a Catholiccardinal from 1690 to 1704.
Biography
Giambattista Costaguti was born in Rome in 1636, the son of Prospero Costaguti, marquis of Sipicciano (a member of the Genoesenobility) and of his second wife Rocca Elvezia, Countess Vidman.[1] He was the younger half-brother of Vincenzo Costaguti, who became a cardinal in 1643.[1]
Costaguti entered the church as a young man, serving as a clerk in the Apostolic Camera, and rising to become its dean in 1669.[1]