 Lefebvre died on 25 March 1991, the feast of the Annunciation, at the age of 85 from cancer in Martigny, Switzerland, less than three years after being excommunicated for carrying out the episcopal consecrations.Eight days later he was buried in the crypt at the society's international seminary in Écône, Switzerland.Archbishop Edoardo Rovida, Apostolic Nuncio to Switzerland, and Bishop Henri Schwery of Sion, the local diocese, came and prayed at the body of the dead prelate.