Bible Encyclopedias
Antipope

The Catholic Encyclopedia

A false claimant of the Holy See in opposition to a pontiff canonically elected. At various times in the history of the Church illegal pretenders to the Papal Chair have arisen, and frequently exercised pontifical functions in defiance of the true occupant. Hergenröther enumerates thirty in the following order:

Note: See also Dioscorus (d. 530) and John XXIII (1370-1419), not to be confused with the twentieth-century pope of the same name.

Bibliography Information
Obstat, Nihil. Lafort, Remy, Censor. Entry for 'Antipope'. The Catholic Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​tce/​a/antipope.html. Robert Appleton Company. New York. 1914.