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Vatican Decree Reaffirms Monogamous Marriage and Rejects Polygamy

The doctrine office published "A Dear One" in Italian in response to African bishops seeking guidance on polygamy.

A couple kiss during their wedding photo session under the Vatican colonnade in the Vatican, April 29, 2025. REUTERS/Stoyan Nenov/File Photo
FILE -Cardinal Victor Manuel Fernandez delivers his speech during a mass on the sixth of nine days of mourning for late Pope Francis, in St. Peter's Basilica at the Vatican, May 1, 2025. (AP Photo/Gregorio Borgia, File)

Overview

  • The 40-page Italian-only text with 256 footnotes, approved by Pope Leo and authored by Cardinal Víctor Manuel Fernández, instructs Catholics to seek one lifelong spouse.
  • It condemns polygamy, adultery and polyamory, emphasizing marriage as an exclusive union between one man and one woman.
  • The document focuses on the "richness and fruitfulness" of traditional marriage and does not address same-sex relationships.
  • Vatican officials present it as a doctrinal clarification following debates on marriage at Vatican summits in 2023 and 2024, with polygamy cited as a pressing pastoral concern in parts of Africa.
  • Published by the Dicastery for the Doctrine of the Faith, the decree notes the Church’s annulment process and affirms that spouses are not expected to remain in abusive relationships.