The Roman-Ruthenian Papacy

The office in brief

One office, two dimensions

The Roman-Ruthenian Pope stands within a jurisdictional Petrine succession and a temporal Petrine succession. These are distinct dimensions of one inherited office, brought together in the governance of the United Roman-Ruthenian Church and the custodianship of its historic patrimony.

The papal title and office were formally conferred in 2014 upon the Prince-Bishop of Rome-Ruthenia, together with full papal authority within his own jurisdiction. The Roman-Ruthenian Pope exercises that office as Supreme Pontiff of the autocephalous United Roman-Ruthenian Church, the Eastern Roman Church with Latin heritage.

Succession and accession

How the Roman-Ruthenian Pope is chosen

The Roman-Ruthenian papacy forms part of a semi-hereditary, semi-elective ecclesiastical and dynastic order. When a lawful hereditary successor exists, the duly constituted Patriarchal Electors confirm the succession. When no such successor exists, they canonically elect a new successor, who thereby succeeds to the same ecclesiastical dynasty and receives its historic arms, patrimony, and office. The Patriarchal Electors include the College of Cardinals of the United Roman-Ruthenian Church, designated electoral Prince-Bishops, and others appointed according to the Church’s canonical order. Following confirmation or election and the applicable acts of conferral, the successor exercises the papal office as Supreme Pontiff of the United Roman-Ruthenian Church.

A Petrine ministry expressed through Rome-Ruthenia

Spiritually and jurisdictionally, the Roman-Ruthenian Pope exercises the Petrine ministry within the autocephalous jurisdiction of the United Roman-Ruthenian Church, the Eastern Roman Church with Latin heritage. Temporally, he safeguards the sovereign, dynastic, cultural, and heraldic patrimony inherited through the Roman and Ruthenian successions.

The two dimensions belong to one office. The title Pope expresses the Petrine and pontifical ministry; Catholicos expresses patriarchal headship; and Prince-Bishop expresses the conjunction of ecclesiastical government with the temporal custodianship of the Pontifical Imperial State.

Read the Il Nunzio Explainer Formal Statement on the Papal Office

The Roman-Ruthenian Pope seated in pontifical state with attendants — Image from *Form and Witness*, PGP Media.

Pope · Supreme Pontiff

The Petrine dimension

The Pope is the visible head of the United Roman-Ruthenian Church and custodian of its Latin Orthodox Petrine inheritance, charged with preserving faith, unity, order, and Apostolic continuity.

Catholicos

The patriarchal dimension

As Catholicos of Rome-Ruthenia, the Pope exercises patriarchal jurisdiction over the clergy, faithful, and constituent jurisdictions belonging to the Catholicate of Rome-Ruthenia.

Prince-Bishop

The temporal dimension

As Prince-Bishop of Rome-Ruthenia, the Pope holds the temporal and dynastic custodianship joined to the Church through the Pontifical Imperial State of Rome-Ruthenia.

Spiritual and jurisdictional continuity

The Latin Orthodox Petrine succession

The Roman-Ruthenian Papacy is the present expression of the Petrine office within the United Roman-Ruthenian Church. In the Church’s ecclesiology, this is a jurisdictional succession: the transmission and exercise of Petrine authority within a distinct and continuing ecclesiastical jurisdiction.

This jurisdictional inheritance is more particular than episcopal ancestry. Apostolic succession identifies the sacramental lineage through which bishops were consecrated. Jurisdictional succession identifies the ecclesiastical office and authority that the Church continues. The Roman-Ruthenian Church traces that jurisdictional inheritance through the historic Roman line and understands its present institutional form as the contemporary expression of authority inherited from the ancient Petrine Church.

“Latin Orthodox” identifies the Church’s Western and Roman ecclesiastical inheritance within the fullness of Orthodoxy. Its liturgical life is principally Gallo-Russo-Byzantine while also preserving other Eastern and Western rites.

Fides Petraque Canonical Legitimacy

Ecclesial foundation

Succession, Grant, and Recognition

The Roman-Ruthenian Papacy is an ecclesiastical office grounded in inherited continuity and formally constituted through grant and recognition. Succession supplies the ecclesial foundation; grant confers the authority; and recognition acknowledges its legitimate exercise within the Church’s own jurisdiction.

Continuity

Ecclesial Succession

The Apostolic, patriarchal, and jurisdictional successions of the United Roman-Ruthenian Church provide the continuing autocephalous ecclesial body within which the Petrine office is received and exercised.

Authority

Grant of Authority

Papal authority within the autocephalous Roman-Ruthenian jurisdiction was granted to the Prince-Bishop in connection with the Church’s established Apostolic continuity, recognized patriarchal status, and responsibility for its own governance.

Acknowledgment

Ecclesiastical Recognition

The Church’s preserved ecclesiastical instruments record that in 2014 the Prince-Bishop of Rome-Ruthenia was recognized by the Roman Cardinal Dean as coadjutor of the Roman Pope and granted full papal authority within his own jurisdiction. The 2014 act conferred papal status and authority upon the Prince-Bishop within the Roman-Ruthenian jurisdiction, building upon—and giving a new juridical expression to—the Church’s pre-existing Apostolic, patriarchal, and jurisdictional continuity.

Read the Formal Statement and Documentary Explanation

“Apostolic succession answers the question, ‘From whom were its bishops consecrated?’ Jurisdictional succession answers the different question, ‘What ecclesiastical authority and office does this Church continue?’”

Roman-Ruthenian teaching on Petrine governance

Historical and temporal continuity

The custody of Roman and Ruthenian patrimony

For centuries the historic Roman Papacy possessed ecclesiastical jurisdiction together with a temporal patrimony. Roman Pontiffs exercised sovereign prerogatives and bore temporal dignities bound to the political, cultural, and Christian inheritance of Rome.

The United Roman-Ruthenian Church holds that this historic patrimony passed into its custody through the Roman succession, including direct succession from Pope St. Leo X, and was joined to the inheritance of Ruthenia or Old Rus’. The Pontifical Imperial State of Rome-Ruthenia is the living institutional expression of that united temporal heritage.

In Roman-Ruthenian usage, the temporal successor of St. Peter is the custodian of the historic, non-sacramental patrimony associated with the Petrine office: its sovereign, dynastic, cultural, heraldic, and temporal inheritance.

Temporal Rights Inheritance of Rome-Ruthenia Sacred Continuity

Pope Radislav I in the short dress of the Pontifical Court with decorations

Pope Radislav I visiting a Russian Orthodox parish in a spirit of Christian brotherhood and shared heritage.

Porcelain bearing the pontifical eagle beside a traditional Russian samovar — The pontifical eagle in the material culture of the Roman-Ruthenian household, displayed with a traditional Russian samovar.

Four records of continuity

The successions answer different questions

The Roman-Ruthenian inheritance is documented through several complementary lines. Each records a different aspect of ecclesiastical or historical continuity.

Petrine office

Pontifical Succession

Traces the historic succession of Supreme Pontiffs from St. Peter and presents the Roman-Ruthenian Latin Orthodox line in its relationship to the common Petrine inheritance.

View the Pontiffs

Patriarchal jurisdiction

Patriarchal Succession

Records the Roman, Russian, Syrian, Greek, American, and other patriarchal inheritances converging in the Catholicate of Rome-Ruthenia.

View the Patriarchal Lines

Holy Orders

Apostolic Succession

Documents sacramental episcopal lineage through Western and Eastern Churches to St. Peter, St. Andrew, and other Apostles.

View Apostolic Succession

Temporal patrimony

Temporal Succession

Traces the dynastic, imperial, royal, and pontifical inheritances entrusted to the Pontifical Imperial State of Rome-Ruthenia.

View Temporal Succession

The Roman-Ruthenian Pope standing in solemn pontifical vesture — Image from *Form and Witness*, PGP Media.

Custodia Petri

The Custody of Peter

The keys of St. Peter signify responsibility as well as dignity: the preservation of Apostolic faith, the continuity of ecclesiastical ministry, and faithful custody of the spiritual and historical patrimony entrusted to the Church.

Sacramental continuityApostolic succession preserves the episcopate received through the Apostles.

Jurisdictional continuityThe Latin Orthodox Petrine succession preserves the office and authority exercised within Rome-Ruthenia.

Temporal continuityTemporal succession preserves the historic patrimony associated with St. Peter, the Roman Papacy, and the wider Roman-Ruthenian inheritance.

The Roman-Ruthenian Papacy brings these inheritances into a single sacred trust: office, responsibility, jurisdiction, patrimony, and inherited authority lived in the present.

The office in service

Papal governance in the life of the Church and State

The Roman-Ruthenian Pope governs through institutions that translate the responsibilities of the office into ecclesiastical administration, household service, ceremony, diplomacy, and public witness.

Central government

The Roman-Ruthenian Curia

The principal organs of administration serving the Holy Apostolic See.

Immediate institutional family

The Pontifical and Imperial Household

The dynastic, domestic, and senior household structure surrounding the office.

Ceremony and service

The Pontifical Court

The historic court offices supporting ceremonial, diplomatic, and ecclesiastical life.

Pope Radislav I wearing the Roman-Ruthenian papal tiara

The present pontificate

Pope Radislav I of Rome-Ruthenia

His Apostolic Highness the Most Holy Pope Radislav I of Rome-Ruthenia is Prince-Bishop and Catholicos of Rome-Ruthenia and Supreme Pontiff of the United Roman-Ruthenian Church.

Pope Radislav was elected Anglican Patriarch of the Anglican Patriarchate of Rome in 2011. In 2014, the papal title and office were formally conferred upon him as Prince-Bishop of Rome-Ruthenia, together with full papal authority within his jurisdiction. The Anglican Patriarchate subsequently became one of the constituent jurisdictions united in the present United Roman-Ruthenian Church in 2023. Upon the completion and full public manifestation of the succession in 2025, the transitional designation Coadjutor of Rome was discontinued and the designation Supreme Pontiff entered formal use.

In that office, Pope Radislav is the 265th successor to St. Peter the Apostle in Apostolic Orthodox Latin Succession. He embodies the Church’s jurisdictional Petrine inheritance, stands within its sacramental Apostolic succession, and serves as custodian of its Roman and Ruthenian temporal patrimony.

The most solemn style of the Roman-Ruthenian Pope is His Most Holy Apostolic Highness. The customary ecclesiastical style is His Holiness.

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