Marco Barbo

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Marco Barbo (1420 – 2 March 1491) of Venice was a cardinal[1] of the Roman Catholic Church (1467) and patriarch of Aquileia (1470)[2] He was third cousin of Pietro Barbo, who became Pope Paul II.[3] In Rome he resided in the Palazzo di San Marco, as did the Venetian pope, who elected not to remove to the Vatican. From 1467 he was the cardinal patron of the Knights of Rhodes, for whom he built the loggia on the imperial forums.[4]

At Paul's death, he was absent from Rome for several years; on his return he commissioned Paul's tomb from Mino da Fiesole, who completed it in 1477 for Old St. Peter's Basilica; fragments are conserved in the Vatican Museums. Barbo participated in the Papal conclave, 1471, which elected Pope Sixtus IV, for whom he served as legate to Germany, Hungary and Poland, with the charge, in which he was unsuccessful, of promoting a crusade against the Turks. He left Rome 22 February 1472 and went to the court of Frederick III, Holy Roman Emperor, whom he was unable to inspire to combat the Ottoman Turks. Barbo returned to Rome 26 October 1474. Possessed of several abbacies in commendam, he was elected Camerlengo of the Sacred College of Cardinals and bishop of Palestrina (1478), where he restored the cathedral.

His diplomacy defused the partisan tensions that were building in Rome before the conclave of 1484. for a price he secured the Castel Sant'Angelo from Girolamo Riario and convinced both Orsini and Colonna factions to evacuate the city, leaving the conclave in security and peace.[5] During the consistory, Barbo was one of those considered papabile; the election of Pope Innocent VIII was a compromise effected between cardinals Della Rovere and Rodrigo Borgia (later Pope Alexander VI) to block the candidacy of the Cardinal of St. Mark.

Barbo was the eldest son of Marino Barbo and Filippa della Riva.[6] He was an erudite patron of the humanists so distrusted by Paul II, but as chancellor of the Sapienza, he was constrained to withhold the salary of Pomponio Leto, who had fled to Venice.[7] Marco Barbo assembled an outstanding library; generous and charitable, he distributed all his wealth to the poor of Rome at his death.


  1. ^ Created in the consistory of 18 September 1467.
  2. ^ Salvador Miranda, The Cardinals of the Holy Roman Church: "Barbo, Marco": "He was called the Cardinal of Vicenza, of Aquileia, or of S. Marco, or the patriarch."
  3. ^ According to Enciclopedia de la Religión Católica, Marco Barbo was not actually a nephew of Pope Paul II, but of Ludovico Barbo, bishop of Treviso.
  4. ^ G. Fiorini, La casa dei cavallieri di Rodo (Rome, 1951:64ff, figs 63, 64).
  5. ^ See Ludwig Pastor, The History of the Popes, from the Close of the Middle Ages, vol. V (1902:232).
  6. ^ Gaspare da Verona and Michael Canensius, Le vite di Paolo II (1904:216).
  7. ^ Vladimir Zabughin, Giulio Pomponio Leto, 1910-12.
Catholic Church titles
Preceded by
Oliviero Carafa
Camerlengo of the Sacred College of Cardinals
Succeeded by
Giuliano della Rovere