Pope Clement VII (1478-1534)

Posterity fixed a cruel image of Clement VII: an intelligent but irresolute pontiff who saw all the catastrophes of the century descend upon him without ever managing to ward them off. This reputation is not a late black legend; it arose from the judgment of his own contemporaries.

Elected amid enthusiasm in 1523, Giulio de' Medici seemed to possess all the qualities of a great pope: long experience in the curia, refined culture, a private life without scandal, and intimate knowledge of European affairs. But his analytical intelligence was joined to a chronic inability to decide. Where Julius II imposed by force and Leo X by lavish spending, Clement calculated, delayed, reversed himself — and lost.

The balance sheet speaks for itself. In 1527, his own city was delivered to plunder by the soldiers of the emperor he had betrayed. In 1530, he had to crown that same emperor to save Italy. In 1534, England separated from Rome because he had known neither how to yield in time nor how to resist in time. And throughout those years, Lutheran Germany slipped away from the Church for lack of a council he feared more than he desired. Encyclopaedia Britannica summarizes: Clement "gravely underestimated the depth and the dangers of his unpopularity in Germany", leaving the papacy "psychologically unprepared for a radical and permanent rejection of its authority."^[10]

That is precisely what makes his case instructive for Catholic intelligence. Clement VII illustrates a hard truth: a pope may be personally honest, pious, and cultivated, and nevertheless govern badly. The holiness of the See does not rest on the greatness of those who occupy it. Under the most unfortunate of popes, the Church lost England and Germany — but it denied neither a dogma, nor the validity of a single marriage, nor the doctrine of Peter.

Before he was pope, Clement VII was first a Medici — and his whole destiny bears the mark of that banking house turned ruler of Florence, with all its glories and tragedies.

Born one month after the Pazzi conspiracy (1478)

Giulio de' Medici was born in Florence on 26 May 1478, in tragic circumstances. His father, Giuliano de' Medici, younger brother of Lorenzo the Magnificent, had been assassinated one month earlier, on 26 April 1478, stabbed inside the cathedral of Santa Maria del Fiore during the Pazzi conspiracy, a plot organized by a rival family with the complicity of members of the Roman curia.^[11][12] The child was therefore posthumous: he was born from the blood of a Medici killed in a church, the first sign of a destiny woven with violence.

His birth was also illegitimate: Giuliano and the child's mother, Fioretta Gorini, were betrothed but not married. A canonical process would later declare him legitimated, a necessary condition for a major ecclesiastical career.^[13] This stain of origin would return to haunt him: at the election of 1523, his opponents objected to his bastardy.

Raised by Lorenzo the Magnificent

Fatherless, little Giulio was taken in and raised by his uncle Lorenzo the Magnificent, the most brilliant prince of Renaissance Florence, alongside Lorenzo's own sons — including Giovanni, the future Leo X.^[14] The two cousins grew up together in the most cultivated household in Italy, surrounded by humanists, artists, and philosophers. This education made Giulio a man of taste, a connoisseur of the arts, and a seasoned political mind — but it also rooted him in a dynastic and worldly vision of power, where service to the Church mingled with the greatness of the House of Medici.

"He was educated by his uncle Lorenzo the Magnificent." — The Catholic Encyclopedia, art. "Pope Clement VII"^[15]

Knight of Rhodes, archbishop, cardinal (1513)

Giulio's career changed course in 1513, when his cousin Giovanni was elected pope under the name Leo X. Until then a Knight of Rhodes and Grand Prior of Capua in the Order of Saint John of Jerusalem, Giulio was immediately pushed to the forefront: appointed Archbishop of Florence, then created cardinal at the consistory of 23 September 1513 (red hat and deaconry of Santa Maria in Domnica on 29 September).^[16][17] To remove the obstacle of his illegitimate birth, Leo X had it established that his parents had been bound by a matrimonial promise, allowing him to be regarded as legitimate in law.

The strong man of two pontificates

As Vice-Chancellor of the Holy Roman Church, Giulio de' Medici was, throughout Leo X's reign (1513-1521), the real engine of papal policy. The Catholic Encyclopedia describes him as "the prime mover of the papal policy during the whole of Leo's pontificate."^[18] Skillful, tireless, omnipresent in diplomatic negotiations, he acquired a reputation as an accomplished statesman.

That reputation survived even under the austere and brief pontificate of the Flemish Adrian VI (1522-1523), the last non-Italian pope before John Paul II, who left him influential.^[19] When Adrian VI died on 14 September 1523, Giulio de' Medici appeared to be the best prepared candidate in the whole Sacred College. Experience, however, would not make the great pope: it would reveal a brilliant diplomat and a weak-willed ruler.

A fifty-day conclave

The conclave that opened after Adrian VI's death was one of the longest and most contested of the century. For nearly fifty days, the Sacred College was torn between the imperial faction, the French faction, and the personal enemies of the Medici. Giulio's candidacy met the objection of his illegitimate birth and the distrust of those who feared another Medici reign after the ruinous splendors of Leo X.^[20]

Cardinal de' Medici finally prevailed on 19 November 1523 and took the name Clement VII.^[21][22] He was crowned on 26 November. At forty-five, the best-informed man in Europe girded himself with the tiara.

An election "hailed with enthusiastic rejoicing"

Clement VII's accession was first received with relief. The Catholic Encyclopedia notes that the election was "hailed at Rome with enthusiastic rejoicing": after the unfamiliar austerity of the Flemish Adrian VI, Rome had an Italian pope again, refined, a friend of the arts, heir to the splendid Medici patronage.^[23] A new golden age was expected from him.

That expectation rested on a misunderstanding. The Romans welcomed the patron; they inherited a diplomat prisoner of his own calculations, upon whom the worst decade of Renaissance papacy was about to fall.

All Clement VII's misfortune can be summed up in an impossible political equation. Two giants were fighting over Europe and Italy: Charles V, Emperor of the Romans, King of Spain, master of Naples, Germany, and the New World; and Francis I, King of France, who claimed the Milanese. Caught between them, the pope, temporal prince of the Papal States, could survive only by arbitrating — but Clement, instead of arbitrating, oscillated.

Pavia (1525) and the reversal of alliance

In 1525, at the Battle of Pavia (24 February), Charles V's army crushed the French and took King Francis I himself prisoner.^[24] The emperor became the absolute master of Italy. Clement VII, who had first leaned toward the imperial side, grew afraid of this hegemony: he feared that an all-powerful Charles V would reduce the papacy to vassalage.

The League of Cognac (1526)

As soon as Francis I was released, Clement VII took the decisive step: on 22 May 1526, he sealed the League of Cognac, a coalition joining the Holy See, France, Venice, Florence, and Duke Francesco II Sforza of Milan against Charles V.^[25][26] The pope openly sided against the emperor whose support he had nevertheless received at his election.

"He organized a League with France, Venice, and Florence, 22 May, 1526." — The Catholic Encyclopedia, art. "Pope Clement VII"^[27]

It was a rational calculation — to prevent imperial domination — but carried out with disastrous military weakness. The League was badly armed, poorly coordinated, and the pope did not have the means of his policy. By declaring himself the enemy of Charles V without being able to defeat him, Clement unknowingly signed Rome's death warrant.

The Colonna attack (September 1526)

First warning: on 20 September 1526, the powerful Roman Colonna family, allied with the emperor, launched a raid on Rome, plundered the Vatican, and forced the pope to take refuge in Castel Sant'Angelo.^[28] Clement escaped through an agreement, but the humiliation announced the cataclysm. Eight months later it would no longer be a raid of a few hours, but the annihilation of the City.

The Sack of Rome is the central event of Clement VII's pontificate and one of the major traumas of Christian history. Many historians see in it the end of the Italian High Renaissance.^[29]

An imperial army without pay and without a master

In the winter of 1526-1527, an imperial army made up of Spanish mercenaries and German Landsknechte — many of them convinced Lutherans hostile to the pope — descended into Italy under the command of the Constable Charles of Bourbon. This force had not been paid for months; hungry and mutinous, it had largely escaped even the emperor's control.^[30] On 6 May 1527, it hurled itself against Rome. In the first assault, the Constable of Bourbon was killed — depriving the attackers of any restraint.

The martyrdom of the Swiss Guard

That day the Pontifical Swiss Guard wrote the most heroic page of its history. On the steps of Saint Peter's Basilica, the Swiss halberdiers sacrificed themselves to cover the pope's flight. One hundred forty-seven guards out of one hundred eighty-nine fell in battle, including their captain Kaspar Roist; only forty-two survivors managed to escort Clement VII through the covered Passetto di Borgo to Castel Sant'Angelo.^[31] In memory of this sacrifice, the Swiss Guard still has its new recruits take their oath every 6 May.^[32]

"Alone against 20,000 attackers, the guards were completely overwhelmed." — Swiss National Museum, on 6 May 1527^[33]

Eight days of horror

Rome was then delivered to eight days of plunder, rape, massacre, and sacrilege unprecedented in Christian memory. The Catholic Encyclopedia describes the scene: "Churches were desecrated, women, even the religious, violated, ambassadors pillaged."^[34] Lutheran soldiers parodied processions, mocked the pope, and desecrated relics. The capital of Christendom, capital of the arts, was devastated. Thousands of inhabitants were massacred — current estimates range from 6,000 to 12,000 killed — and the city, which counted about 55,000 souls, fell to some 10,000 inhabitants, between deaths, flight, famine, and plague.^[35]

Prisoner, then fugitive

Sheltered in Castel Sant'Angelo, Clement VII remained there a virtual prisoner for more than seven months.^[36] To recover his freedom, he had to accept a crushing ransom — of the order of 400,000 ducats under the treaty (73,169 + 35,000 + 44,984 + 150,000 + 65,000, i.e. 368,153 ducats stipulated according to Pastor), not counting 135,000 ducats of pay owed to the Landsknechte (100,000) and the Spaniards (35,000) — and cede several fortresses of the Papal States.^[37][38] Finally, disguised, he escaped from Rome in December 1527 and went to Orvieto, then Viterbo, from where he governed a Church in ruins. He would not return to devastated Rome until October 1528.^[39][40]

Defeated and ruined, Clement VII had no choice left: he had to reconcile with the victor. The treaties of Barcelona (June 1529) with the emperor and Cambrai (August 1529) between Charles V and Francis I restored a precarious peace in Italy.^[41]

The last imperial coronation

On 24 February 1530, in the basilica of San Petronio in Bologna, Clement VII placed the imperial crown on Charles V's head. The date was not chosen at random: it was both the emperor's birthday and the anniversary of his victory at Pavia. The event was heavy with symbolism: it was the last time in history that a pope crowned an emperor of the Holy Roman Empire.^[42] The gesture that since Charlemagne had sealed the alliance of throne and altar died here, on the threshold of a world in which the Reformation and modern states would dismantle old Christendom.

The siege of Florence and the return of the Medici

Reconciliation had a political price that Clement VII willingly paid: the restoration of the Medici in Florence. In 1527, taking advantage of the Sack of Rome, the Florentines had driven out the Medici and proclaimed the Republic. With the support of imperial troops, the pope had his own homeland besieged for nearly eleven months. Florence capitulated in August 1530, and Clement restored the rule of his house there: his relative Alessandro de' Medici took the head of the Florentine government in 1531, then received in 1532 the title of hereditary Duke of Florence.^[43][44]

Chroniclers whispered that Alessandro was not merely the pope's "nephew" but his illegitimate son — a point historians still discuss today without being able to settle.^[45] In any case, the picture is eloquent: the Vicar of Christ had Savonarola's city bombarded in order to restore his dynasty. Here again, the prince had prevailed over the pastor.

Of all Clement VII's trials, the one with the heaviest consequences for the future of the faith was the "King's Great Matter": the request to annul Henry VIII of England's marriage to Catherine of Aragon.

A trap within the trap

In 1527, Henry VIII, married for eighteen years to Catherine of Aragon and enamored of Anne Boleyn, asked the pope to annul his union, on the pretext that Catherine had first been the wife of his deceased brother Arthur.^[46] But Catherine of Aragon was Charles V's aunt — the emperor whose soldiers had just sacked Rome and who held Italy. To annul the marriage was to insult the master of Europe mortally; to maintain it was to risk losing England. The pope, already Charles's prisoner, found himself enclosed in a second trap.

The tactic of delay

True to his temperament, Clement chose to gain time, hoping that the king's passion for Anne Boleyn would fade of itself.^[47] He granted a commission to Cardinals Wolsey and Campeggio to judge the case in England (1528), then, under imperial pressure, revoked the case to Rome.^[48] The years passed in procedures, appeals, and calculated delays. The king grew impatient, then rebelled.

Cranmer, the divorce, and the schism (1533-1534)

From 1531 onward, Henry VIII acted unilaterally: he extorted money from the English clergy and had Parliament restrict financial ties with Rome. In 1533, he had Thomas Cranmer appointed Archbishop of Canterbury — Clement imprudently granted him the pallium (the metropolitan insignia conferred by Rome, which amounted to pontifical recognition of Cranmer as archbishop) — and Cranmer declared in May 1533 the king's marriage to Anne Boleyn valid and his marriage to Catherine null. Anne was crowned queen in June 1533.^[49] The pope finally reacted: on 11 July 1533, he issued against Henry a sentence declaring null Cranmer's pretended divorce and the marriage to Anne Boleyn, and striking the king with major excommunication — whose execution was however suspended, with a deadline for repentance first set at the end of September, then extended to the end of November.^[50] This was not yet the formal bull of excommunication: that would only be drafted under his successor Paul III, on 30 August 1535 (Eius qui immobilis), and its execution, suspended in the hope of the king's return, would only be ordered on 17 December 1538 (Cum redemptor noster).^[51]

On 23 March 1534, the papal court solemnly proclaimed the validity of Henry VIII's marriage to Catherine of Aragon.^[52] Too late: the break was already effective since 1533 — Cranmer's sentence in May, Anne's coronation in June. As for the Act of Supremacy making the king the supreme head of the Church of England, the English Parliament only voted it on 3 November 1534^[53] — six weeks after Clement VII's death on 25 September. The Anglican schism was thus consummated in fact during the pope's lifetime, but sealed in law after his death.

Was Clement wrong?

Easy historiography makes this disaster the personal fault of a pusillanimous pope. Catholic reality is more demanding. On the doctrinal substance, Clement VII was right: Henry and Catherine's marriage was valid, and the Church cannot dissolve a valid sacramental marriage — not even to keep a kingdom. By refusing the annulment, Clement did not betray through weakness: on the essential point, he upheld the indissolubility of marriage against the will of a king.

"Clement has been much blamed for this delay and for his various concessions [...] but it is extremely doubtful whether a firmer attitude would have had a more beneficial result." — The Catholic Encyclopedia, art. "Pope Clement VII"^[54]

The legitimate reproach therefore concerns not the final decision, but the manner: the delays, partial concessions, and ambiguities that let Henry believe he could obtain what he wanted, and that exasperated rather than pacified him. On the essential matter — the truth of the sacrament — the most unfortunate of popes saved the honor of doctrine. England was lost, but the indissolubility of Christian marriage was maintained. It is, in negative, a lesson on what the Church cannot yield, even under threat.

While Rome burned and London separated, Germany was slipping away from the Church. Clement VII's pontificate coincided with the decisive expansion of the Lutheran Reformation: the Diet of Speyer (1529), where the word "Protestant" was born, and the Augsburg Confession (1530) both took place during his reign.

Fear of the council

All Christendom, Catholics included, was calling for a general council to reform the Church and answer Luther. Charles V himself pressed the pope to summon it. But Clement VII obstinately refused.^[55] Several reasons stopped him: fear that a council would revive old conciliarism (the thesis that a council was superior to the pope), fear that France and the Empire would settle their scores there, and anxiety that his own legitimacy as an illegitimate son would be questioned.

"The pope seems to have had a horror of summoning a general council, doubtless foreseeing grave difficulties with France." — The Catholic Encyclopedia, art. "Pope Clement VII"^[56]

The council would come too late — but it would come

This refusal is one of the great political faults of the pontificate: by delaying the council, Clement allowed the Protestant fracture to harden and territorialize. Britannica judges that his indecisiveness "allowed the Protestant revolt to grow."^[57]

But Catholic history does not end with that failure. The council Clement did not dare to assemble was summoned by his successor Paul III: it would be the Council of Trent (1545-1563), matrix of the great Catholic Counter-Reformation. The spiritual recovery was already preparing itself under Clement VII himself, who approved the reforming orders from which the reconquest would spring. The Church lost a battle under the weakest of popes; it did not lose the war.

If one leaves politics for culture and religious life, Clement VII's pontificate shows another face — that of an exceptional patron and of a pope who, despite everything, allowed the Spirit to work.

Michelangelo's patron: the Last Judgment

Medici to the end, Clement VII was one of Michelangelo's greatest patrons. In Florence, he had him raise the Medici tombs in the New Sacristy of San Lorenzo and build the Laurentian Library, masterpieces of Mannerist architecture.^[58] Above all, it was Clement who commissioned from Michelangelo the Last Judgment, the immense fresco on the altar wall of the Sistine Chapel — for which the artist was already preparing the cartoon during the pope's lifetime —, one of the most powerful works of Christian art, completed under his successor.^[59]

The new orders: Capuchins, Theatines, Barnabites

Clement VII's reign saw the birth of several of the orders that would carry the Catholic reform. The pope approved the Theatines of Saint Cajetan of Thiene and Gian Pietro Carafa (the future Paul IV), confirmed the Barnabites, and above all, by the bull Religionis zelus of 3 July 1528, gave birth to the Capuchin reform, a rigorous and popular branch of the Franciscan family.^[60] These foundations, born in the shadow of disasters, would become spearheads of the Counter-Reformation.

The pope who welcomed Copernicus (1533)

Against the legend of a Church hostile to science, Clement VII's pontificate offers a striking counterexample. In 1533, in the Vatican gardens, the scholar Johann Albrecht Widmanstetter presented to the pope Copernicus's heliocentric theory — the Earth turning around the Sun. Far from taking offense, Clement VII listened to the exposition with interest and rewarded the speaker with a gift.^[61] Nearly a century before Galileo's trial, a pope listened favorably to heliocentrism: proof that the later conflict had less to do with doctrine than with context and men.

Catherine de' Medici and the Marseille marriage (1533)

A diplomat to the end, Clement VII personally sealed, on 28 October 1533 at Marseille, the marriage of his young kinswoman Catherine de' Medici to Henry of Orleans, second son of Francis I and future King Henry II of France.^[62] Through this marriage, a Medici rose toward the throne of France — Catherine would become one of the century's most powerful queens. But the gesture illustrates one last time the slope of the pontificate: to the end, the pope mingled the interests of his house with those of the Church.

A long agony and the rumor of poison

Returning ill to Rome at the end of 1533, Clement VII declined slowly: fevers, digestive disorders, failing liver, yellowed complexion, loss of sight. He died on 25 September 1534, aged fifty-six, in the Vatican Palace.^[63][64]

According to the custom of the time, rumor attributed his death to poisoning — popular tradition even names a dish of death cap mushroom.^[65] His biographer Emmanuel Rodocanachi reports that "according to the custom of those times, people attributed his death to poison." But the record contradicts this legend: Pastor documents the first signs as early as 30 May 1534, a probably malignant gastric ailment, with relapses and remissions until 25 September — nearly four months of fluctuating illness, incompatible with acute death-cap poisoning.^[66]

The tomb at the Minerva

First buried at Saint Peter's, his body was transferred to the Dominican church of Santa Maria sopra Minerva, where Baccio Bandinelli raised a monumental tomb for him, facing that of his cousin Leo X.^[67][68] The two Medici popes rest side by side, as they had reigned — in splendor and in misfortune.

Few pontificates call for a judgment so severe and, at the same time, so instructive for Catholic faith.

The shadows

On the debit side, history records an uninterrupted sequence of disasters: Rome sacked, England lost, Lutheran Germany abandoned, the council delayed, Florence besieged for the glory of a dynasty. The Catholic Encyclopedia, which does not spare its own side, concludes that despite his good intentions, "all qualities of heroism and greatness must emphatically be denied him."^[69] The root cause was not vice, but weakness of will: a man who saw clearly and never dared.

What is owed to him nevertheless

On the credit side, however, the balance sheet is not empty. Clement VII upheld the doctrine of the indissolubility of marriage against Henry VIII, at the price of a kingdom. He approved the reforming orders — Capuchins, Theatines, Barnabites — that would make the Counter-Reformation. He listened with interest to Widmanstetter's exposition of Copernicus's system. He commissioned Michelangelo's Last Judgment. Under the most unfortunate of popes, the Spirit did not cease to act.

Why Clement VII matters today

The great lesson of this pontificate is the Catholic distinction between the man and the office. The Church has never taught that her popes would be political geniuses or flawless saints; she teaches that the indefectibility of the See of Peter depends neither on their virtues nor on their talents. Under Clement VII, a weak pope lost entire nations — and yet denied no dogma, dissolved no valid marriage, betrayed no truth of the faith.

This is precisely where Christ's promise to Peter can be read. A Borgia did not corrupt doctrine; an irresolute Medici did not damage it either. The "most unfortunate of the popes" demonstrates, in negative form, what the Catholic Church has maintained for twenty centuries: the continuity of the See of Peter does not rest on the strength of its holders, but on the fidelity of the One who founded it. Clement VII was a bad ruler; he was not a bad guardian of the faith. And it is still a victory to have preserved doctrine intact for the centuries to come, in the worst decade of the Renaissance.

• Pope Leo X, his cousin and Medici predecessor, whose trusted man he had been
• Pope Adrian VI, the austere Flemish pope whom he succeeded in 1523
• Pope Paul III, his successor, who finally summoned the Council of Trent
• Pope Julius II, the Renaissance "warrior-pope", Clement's opposite figure
• Pope Alexander VI, the other great controversial pope of the Renaissance
• Anglicanism, born from the schism of Henry VIII that Clement could not prevent
• The Protestant Reformation, which took root in Germany during his pontificate
• The Council of Trent, the great Catholic answer that his successor summoned
• The Catholic Counter-Reformation, spearheaded by the orders he approved
• The Sistine Chapel, for which he commissioned Michelangelo's Last Judgment
• The Papal States, which he saw ravaged during the Sack of Rome