Carlo Antonio Fedeli (detto Saggion) (* 1622 in Venice, † 19 December 1685 ibid.) was a Venetian cellist and opera composer.
Carlo Fedeli joined the Cappella di San Marco in July 1643 as a cellist. In 1661 he was appointed Maestro di concerti and held this position until his death in December 1685. From 1662 to 1672 he was also Maestro di strumenti at the Ospedale della Pietà in Venice, which, like the St. Mark's Chapel, under the supervision and in Sponsorship of the procurators of San Marco, and that belonged to one of the four renowned Venetian music schools. He was probably also concertmaster at the Teatro San Salvador, where his now-lost operas "Ermelinda" and "Don Chiscotte della Mancia" were performed.
Carlo Fedeli's sons Alessandro, gen. Saion, Fedeli (* 1653 in Venice, † after 1692), Antonio Fedeli († after 1692) and Giuseppe (also Iseppo, called Saggion or Saggione Veneziano) were also musicians and temporarily also at St. Mark's , His son Ruggiero Fedeli (* 1655, † 1722 in Kassel) was the most successful international of the family. He was first bassist at St. Mark's Basilica and played in the orchestras of various Venetian theaters. Since the thirties of the seventeenth century he worked as a musician at several courts in Europe. a. in Bayreuth, in Berlin at the court of Frederick II, in Dresden, Brunswick, Hanover and finally in Kassel, where he died and was buried in December 1722.
Source: https://de.wikipedia.org/wiki/Carlo_Fedeli