The Barberini College of Cardinals: Power Dynamics, Papal Elections, and the Architects of Curial Control


How the Barberini family, both through appointments and strategic alliances, transformed the College of Cardinals into a loyal instrument of papal power, ensuring Urban VIII's authority, consolidating their dynastic influence, and shaping the future direction of the Papacy.


Introduction: The Sacred Body Politic

The College of Cardinals in 17th-century Rome was far more than a spiritual advisory board; it was the ultimate electoral body, the administrative engine of the universal Church, and a formidable political force. For any Pope, controlling this body was paramount to securing his pontificate and advancing his family's interests. Pope Urban VIII, Maffeo Barberini, understood this implicitly. His reign saw an unprecedented degree of Barberini influence over the College of Cardinals, meticulously cultivated through appointments, patronage, and strategic alliances.

This article dissects the complex power dynamics within the College of Cardinals under Urban VIII and reveals how the Barberini family systematically molded it into a disciplined instrument of their will. We will explore Urban VIII's strategies for cardinalatial appointments, the loyalty mechanisms he employed, and the political machinations that ensured Barberini dominance, not only during his pontificate but in the Papal elections that followed. This insight reveals a core mechanism of Barberini power, where the sacred vestments of high office often concealed a ruthlessly managed, dynastic political machine.


I. Creating a Compliant College: Appointments and the "Creature" System

Urban VIII's Prolific Creation of Cardinals

Urban VIII reigned for 21 years (1623-1644), an unusually long pontificate, which allowed him to make a significant number of cardinalatial appointments—a key tool for shaping the College.

  • Number of Cardinals Created: Over his pontificate, Urban VIII created 74 cardinals in 8 consistories. While not the highest number in papal history, it was substantial enough to significantly alter the College's composition.
  • Balance of Power: These appointments gradually shifted the balance within the College, reducing the influence of factions loyal to previous pontiffs or to hostile foreign powers (like Spain and the Empire) and increasing the number of cardinals loyal to Urban VIII and the Barberini family.

The "Creature" System: Loyalty Through Obligation

Urban VIII perfected the system of "creature" cardinals – individuals whose careers and fortunes were directly owed to the Pope's personal favor and thus were expected to remain unwaveringly loyal.

  • Identifying Candidates: Candidates were often chosen not just for their piety or learning, but for their personal loyalty to the Barberini, their family's political connections, or their dependence on papal patronage.
  • Rapid Advancement: Many of Urban's "creatures" experienced swift promotion, often from relatively obscure backgrounds, reinforcing their personal obligation to the Pope and his family.
  • Nepotistic Appointments: The most prominent "creatures" were his own nephews:
    • Francesco Barberini (created 1623, aged 26): The most powerful, serving as Cardinal-Nephew and Secretary of State.
    • Antonio Barberini (created 1627, aged 28): Known for his military and cultural roles.
    • Antonio Barberini iuniore (created 1624, aged 19, his great-nephew): An even younger appointment, showing the family's long-term planning.
    • Their immediate presence in the College, holding key administrative positions, gave the Barberini a powerful advantage in daily curial operations and future papal elections.

Primary Source Evidence: From a report by the English agent in Rome (1630):

"The Pope has now filled the Sacred College with so many of his own creatures, they outnumber all others combined. To argue against the Barberini is to speak against the very air one breathes, for so many depend on their patronage for their very existence."

Strategic International Appointments

While prioritizing loyalty, Urban VIII also made strategic appointments designed to cultivate alliances with key Catholic powers perceived as sympathetic to his policies (e.g., France, Venice) or to lessen the influence of hostile powers (Habsburgs).

  • French Influence: Urban created several cardinals favorable to French interests, reflecting his delicate neutrality during the Thirty Years' War, which often leaned towards France's side.

II. Controlling the Curia: The Mechanisms of Barberini Dominance

Key Curial Appointments: Hands on the Levers of Power

Beyond creating cardinals, the Barberini ensured loyalists held the most influential positions within the Roman Curia, the administrative apparatus of the Holy See.

  • Secretariat of State: Cardinal Francesco Barberini, as Cardinal-Nephew and Secretary of State, controlled the vital nexus of all papal diplomacy, intelligence, and internal administration. All information flowed through him, giving the Barberini unprecedented insights into the workings of the Church and European politics.
  • Congregations: Barberini cardinals and their closely allied "creatures" chaired or dominated key Congregations (papal departments) such as the Holy Office (Inquisition), the Council of Trent, and the Congregations dealing with Bishops and Regulars, ensuring their policies were implemented.
  • Papal Legacies: Crucial provinces within the Papal States (e.g., Bologna, Ferrara, Avignon) were often governed by Barberini cardinals as Papal Legates, giving them direct control over revenue, administration, and military forces beyond Rome.

Primary Source Evidence: From the diary of Cardinal Giulio Sacchetti (a critic of the Barberini, 1635):

"One cannot breathe in the Curia without a Barberini present. They have taken hold of every office, every congregation, every decision. The Pope's wisdom is now merely the echo of their combined ambition."

Financial Influence and Patronage

The Barberini's vast wealth was a powerful tool for maintaining control over the College.

  • Pensions and Gifts: Cardinals, especially those of more humble backgrounds, were often dependent on additional income. The Barberini generously provided pensions, grants, and valuable gifts to loyal cardinals, ensuring their continued support.
  • Architectural Patronage: Artists and intellectuals favored by Barberini cardinals often received commissions, drawing a wider circle of influence around the family.
  • Debt and Indebtedness: Some cardinals found themselves financially indebted to the Barberini, creating subtle but powerful mechanisms of control.

III. The Papal Conclave and the Challenge of Succession

Preparing for the Next Conclave

Urban VIII and his nephews were keenly aware that their vast power was temporary, dependent on the Pope's life. Ensuring a favorable successor was paramount.

  • "Zelanti" vs. "Creature" Cardinals: Conclaves typically saw a struggle between the "Zelanti" (zealous reformers, often anti-nepotist) and the "Creature" cardinals (those owing their promotion to the previous Pope and expected to vote for a candidate continuing his policies). The Barberini tirelessly worked to ensure their "creatures" would hold sway.
  • Building a Faction: Cardinal Francesco Barberini was meticulous in identifying potential successors whom his faction could support, often testing their loyalty and political leanings in informal gatherings.

The Conclave of 1644: A Test of Barberini Power

Urban VIII's death in 1644 triggered a highly contentious conclave, which became a direct battle for the future of the Barberini legacy.

  • The Power of the Barberini Bloc: The Barberini cardinals entered the conclave as the largest and most organized faction, with 48 out of 74 cardinals being Urban VIII's "creatures."
  • Opposition to the Barberini: However, their very dominance and the deeply unpopular War of Castro fueled a powerful opposition bloc, particularly from the Spanish and Imperial factions who sought to elect a Pope hostile to Barberini interests.
  • Strategic Obstruction: The Barberini initially struggled to elect their preferred candidate, as their opponents, though fewer in number, were united in their desire to block any candidate seen as too close to the Barberini. The conclave dragged on for 37 days.
  • Election of Innocent X (Pamphilj): The ultimate election of Giovanni Battista Pamphilj as Innocent X was a compromise. While not overtly hostile at first, Pamphilj's past rivalry with the Barberini soon manifested, leading to the Barberini's later flight into exile. This demonstrated that despite their numerical strength, the Barberini could not always guarantee their desired outcome, especially when facing united opposition from foreign powers.

Primary Source Evidence: From a letter by Cardinal Alessandro Bichi to Grand Duke Ferdinando II (August 1644, during the conclave):

"Never have I seen such a struggle and such division amongst the Sacred Electors. The Barberini, with their vast numbers, believe they can command the Holy Spirit, but the opposition, though fewer, burns with a hatred that delays all progress. This Sacred College is more a battlefield than a sanctuary."


IV. The Aftermath: Enduring Influence and Strategic Rehabilitation

The Conclave of 1655: Securing the Future

Despite their temporary exile and the Pamphilj investigations, the Barberini managed to re-assert considerable influence in later conclaves.

  • Strategic Voting: Cardinal Francesco Barberini, upon his return from exile, proved to be a master of conclave politics. In the 1655 conclave, his faction (still considerable) played a decisive role in the election of Alexander VII (Fabio Chigi), with whom the Barberini had a pre-existing alliance.
  • The "Creature" Legacy: The cardinals created by Urban VIII (the "old guard" of Barberini creatures) continued to hold sway into the 1650s and 1660s, contributing to a lasting Barberini influence on papal policy and elections for decades after Urban VIII's death.

Barberini Cardinals as Statesmen and Patrons

Beyond papal elections, Barberini cardinals continued to play central roles in the administration of the Church and as patrons of arts and letters.

  • Cardinal Francesco Barberini: Remained a powerful figure in the Curia, leading important Congregations, chairing commissions, and continuing his vast patronage until his death in 1679.
  • Cardinal Antonio Barberini: Continued his military and diplomatic roles, traveling extensively and engaging in significant cultural patronage. His appointment as Grand Almoner of France was a testament to his continued international standing.

Conclusion: The College as a Dynastic Instrument

The Barberini family's strategic manipulation of the College of Cardinals was a cornerstone of their formidable power. Urban VIII's prolific creation of loyal "creatures," coupled with his nephews' domination of key curial offices, transformed this sacred body into an effective instrument of dynastic ambition. They understood that control over the cardinals meant control over the Church's administration, its diplomacy, and most crucially, its future.

While the Conclave of 1644 proved that their power was not absolute and that deeply felt opposition could still challenge their numerical superiority, the Barberini nonetheless created a loyal bloc that sustained their influence for decades after Urban VIII's passing. The continued prominence of Barberini cardinals in later pontificates, and their ability to shape subsequent papal elections, stands as a testament to the enduring effectiveness of their cardinalatial strategies.

The Barberini College of Cardinals thus reveals the true nature of papal nepotism in the 17th century: a sophisticated, calculated system of loyalty-building and institutional control, where spiritual office and secular power were perfectly intertwined. The sacred purple cloaks of the cardinals often concealed the political machinations of a family determined to engrave its name not only on the monuments of Rome but also on the very fabric of the Holy See.


For detailed studies of papal conclaves and cardinalatial appointments, consult Ludwig von Pastor's "History of the Popes," specialized prosopographical studies of the College of Cardinals, and the relevant fondo in the Vatican Secret Archives (particularly Segreteria di Stato and Consistorial Archives).

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