Documentary file · updated 2026

The purported brief of Pius X (1904)

A French typescript attributes to Pius X the creation of a hereditary comital title. A reply from the Vatican Archives, dated 12 December 1986, states that no corresponding brief was found in the protocol, card index or volumes consulted.

Contents

A negative archival search. The main evidence is not an anomaly in a name or formula: it is the official 1986 reply, which identifies the finding aids consulted and reports a negative result for the alleged brief.

  • 12 April 1904 : Date appearing on the French copy.
  • April–December 1904 : Period checked in the Secretariat of Briefs records.
  • 12 December 1986 : Vatican Archives reply, reference 16.664.

What the document claims [Back to contents]

French typescript of the alleged papal brief dated 12 April 1904
French typescript attributed to Pius X. No Latin original, seal, protocol number or autograph signature accompanies it in the current corpus.

Claimed content

The text purports to confer on Constantin Cheynet, his children and his male-line descendants born in lawful marriage the title of “counts”. It invokes his piety, his service in the French army and recommendations from the Archbishop of Lyon.

It ends with the date 12 April 1904, a reference to the Fisherman’s Ring and the name of Cardinal Macchi.

Exact terminology: the document does not use the expression “papal count” or “count of the Church”. It is more accurate to call it an alleged papal comital title.

The Vatican Archives’ reply [Back to contents]

Vatican Archives reply dated 12 December 1986, reference 16.664
Archivio Segreto Vaticano, letter dated 12 December 1986, reference 16.664. The institution has been called the Vatican Apostolic Archive since 2019.

Translation of the decisive passage

“After consulting, in the Secretariat of Briefs records for 1904, the protocol, card index and volumes covering April to December, the search produced a negative result.”

The letter answers a request dated 2 December 1986 for a photocopy of the brief in favour of Constantin Cheynet, allegedly dated 12 April 1904.

The reply therefore does more than state that the record was not found: it identifies the record group, year, finding aids and volumes examined.

An authentic brief from the same year [Back to contents]

The Holy See publishes the apostolic brief Quae nostra of 3 March 1904. This contemporary specimen is in Latin, includes the formula of issue under the Fisherman’s Ring and ends with Cardinal Macchi’s abbreviated signature.

Luigi Macchi was therefore a real historical person. His name could be rendered Louis in French and Aloisius in Latin; as Secretary of Apostolic Briefs, he signed authentic acts of Pius X. His name is not evidence of fabrication.

What the comparison establishes [Back to contents]

Established

No record located

In 1986 the Vatican Archives carried out a negative search in the relevant record group and period.

Material observation

An isolated French typescript

The surviving document lacks the physical elements needed to connect it to a registered original.

Not established

Author and date of fabrication

The corpus does not identify who produced the copy or when it was made.

Limit of the comparison: an authentic brief from March 1904 supplies a contemporary diplomatic model and confirms Macchi’s role. The case nevertheless rests primarily on the negative archival search and the lack of an identifiable original.

Documentary conclusion

No brief in favour of Constantin Cheynet dated 12 April 1904 was found in the finding aids and volumes consulted by the Vatican Archives. The document now known is a typescript lacking the physical features needed to establish its authenticity. The corpus does not identify its author or date of production.

Further research required

  • any Latin original from which the French copy might derive;
  • the provenance and earliest known appearance of the typescript;
  • the request sent to the Archives on 2 December 1986 and its attachments;
  • any related recommendation preserved by the Archdiocese of Lyon;
  • a renewed confirmation from the Vatican Apostolic Archive citing reference 16.664.

Sources

1. Vatican Archives — reply dated 12 December 1986, reference 16.664.

2. Typescript of the alleged brief dated 12 April 1904.

3. Holy See — authentic brief Quae nostra, 3 March 1904.

4. Acta Sanctae Sedis, volume 36, 1903–1904.

5. Vatican Apostolic Archive — institutional history.