Sylvester III
Sylvester III, born John, was bishop of Rome and ruler of the Papal States for a brief period in 1045. His papacy was marked by intense factional strife and disputed legitimacy, arising from the turbulent political landscape of Rome and the powerful Roman patrician families. Despite his short pontificate and subsequent condemnation, he is listed as an official pope in Vatican records.
Key Facts
- ›Born John into the powerful Roman patrician family Crescentii.
- ›Elected Pope after fierce infighting, taking the name Sylvester III.
- ›His papacy lasted only from January 20 to March 10, 1045.
- ›Benedict IX excommunicated him and expelled him from Rome.
- ›The Council of Sutri deprived him of his ecclesiastical rank.
- ›He continued to be recognized as bishop of Sabina until at least 1062.
John
- Elected Bishop of Rome and Ruler of the Papal States.
- Took the Name Sylvester Iii.
- Expelled From Rome By Benedict Ix.
- Returned To Sabina To Resume His Office As Bishop.
- Deprived of His Bishopric and Priesthood By the Council of Sutri.
- Ordered To Be Sent To A Monastery, But the Sentence Was Suspended.
Benedict Ix, Emperor Henry Iii, Council of Sutri, Crescentii Family, Tusculum Family
About Sylvester III
Sylvester III, born John, was bishop of Rome and ruler of the Papal States for a brief period from January 20 to March 10, 1045. His pontificate occurred during a tumultuous era in the history of the papacy, characterized by the influence of powerful Roman noble families and factional disputes over control of the papal throne. He was born into the prominent Roman patrician family Crescentii.
Life and Historical Context
The period leading up to Sylvester III's election was one of significant instability. Following the death of Pope John XIX in 1032, the papal throne became a point of contention. Benedict IX, a youth from the Tusculum family, initially held the papacy but was driven from Rome by a revolt in 1044. It was in this climate of conflict that John, bishop of Sabina, was elected as Sylvester III around January 21, 1045.
Papacy and Its Aftermath
Sylvester III's time as pope was exceptionally short. Benedict IX excommunicated him and, upon returning to Rome in March 1045, expelled Sylvester III. Sylvester then returned to Sabina to resume his role as bishop there. Nearly two years later, in December 1046, Emperor Henry III summoned the Council of Sutri, which deprived Sylvester III of his bishopric and priesthood, ordering him to live out his days in a monastery. However, this sentence was suspended, and he continued to function and be recognized as the bishop of Sabina until at least 1062. Records indicate a successor bishop for Sabina was in place by October 1063, suggesting Sylvester III died prior to that date.
Significance and Recognition
Despite the controversial and brief nature of his papacy, Sylvester III is still listed as an official pope in Vatican records for 1045. His situation is comparable to that of Pope Gregory VI, who also reigned during this period of disputed papal succession. The pontifical name Sylvester was later used by an antipope, Theodoric, at a time when Sylvester III himself was not considered a legitimate pontiff by all.
Source: Wikipedia ↗
Frequently Asked Questions
Who was Pope Sylvester III?
Pope Sylvester III, born John, was the bishop of Rome and ruler of the Papal States from January 20 to March 10, 1045. He came from the powerful Roman patrician family Crescentii.
Why was Sylvester III's papacy so short?
Sylvester III's papacy was marked by intense infighting and factional strife. Benedict IX, who had been driven from Rome, returned and expelled Sylvester, leading to his brief pontificate.
What happened to Sylvester III after his papacy?
After being expelled from Rome, Sylvester III returned to Sabina to resume his office as bishop. Later, the Council of Sutri deprived him of his bishopric and priesthood, ordering him to a monastery, though this sentence was suspended.
Is Sylvester III considered a legitimate pope?
While some consider him an antipope due to the circumstances of his election and deposition, Sylvester III continues to be listed as an official pope in Vatican records for the year 1045.
Related Popes

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Benedict IX
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Benedict VIII
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