Pope Benedict X

Benedict X

Birth name	Giovanni Mincio
Claim	1058–1059
Legitimate pope	Nicholas II
Status	Antipope

Benedict X, born Giovanni Mincio, was an eleventh-century antipope whose irregular election by a Roman aristocratic faction in 1058 was rejected by the reform party that secured the election of Pope Nicholas II.

Election crisis of 1058

Giovanni Mincio was cardinal-bishop of Velletri when Pope Stephen IX died. Stephen's circle had sought to delay a successor's election until the reforming subdeacon Hildebrand returned, but Roman nobles moved quickly and installed Mincio as Benedict X.

The election took place amid conflict over Roman aristocratic control, imperial influence, and the reform movement's effort to secure freer canonical elections. It cannot be judged by mechanically imposing every later conclave rule, yet contemporaries opposed it as irregular and coerced.

Nicholas II

Reform cardinals and allied bishops elected Gerard of Burgundy, bishop of Florence, as Nicholas II. With political and military support Nicholas entered Rome and displaced Benedict's claim.

Deposition and submission

Benedict withdrew, was deposed, and eventually submitted. Sources differ on dates and later treatment. The secure ecclesiastical judgment is his status as antipope rather than legitimate successor of Peter.

Antipope, not Pope Benedict X

Historical titles often retain Pope Benedict X because that was the title he claimed and because later Benedicts continued the numbering. The Catholic list of Roman pontiffs excludes him as an antipope.

An antipope is a claimant who opposes the person canonically recognized as pope. The label concerns the claim to office; it does not by itself answer every moral question about the claimant's motives, sacramental orders, or acts performed before judgment.

Reform of papal elections

The crisis helped form the immediate background to Nicholas II's decree In nomine Domini in 1059, which assigned a leading role in papal elections to the cardinal bishops and sought to reduce violent factional seizure of the Roman see.

The later conclave developed across centuries. Benedict's case is important because it shows how election law, recognition, possession of Rome, and political power could diverge before the modern procedure took shape.

Historical assessment

Catholic indefectibility does not require every claimant who occupied Roman churches or received political support to have been pope. Nor does the existence of disputed elections prove that the papal office is merely a later fiction; disputes presuppose a real office whose holder must be identified.

Responsible chronology lists Nicholas II as pope and Benedict X as antipope. Antipope Benedict X is the preferable explanatory form, while Benedict X remains the historically common claimed title.

From the 1913 Catholic Encyclopedia

Pope Benedict X — The bearer of this name was an antipope in the days of Nicholas II, 1056-61.