Antipope, 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. According to Hergenrother, the last antipope was Felix V (1439-49). The same authority enumerates twenty-nine in the following order:—
Hippolytus(?), [1] century.|Guibert or Clement III,
1080-1100.
Novatian, 251. Theodoric, 1100. Felix II, 355-365. Aleric, 1102. Ursicinus, 366-367.
Maginulf, 1105. Eutalius, 418-419.
Burdin (Gregory VIII),
Laurentius, 498-501.
1118. Constantine II, 767.
Anacletus II, 1130-38.
Philip, VIII century.
Victor IV, 1159-64.
Anastasius, 855.
Pascal III, 1164-68.
Leo VIII, 956-963.
Calixtus III, 1168-77.
Boniface VII, 974.
Innocent III, 1178-80.
John XVI, X century.
Nicholas V, 1328-30.
Gregory, 1012.
Robert of Geneva (CleSylvester
ment VII). 20 Sept.,
Benedict X, 1058.
1378 to 16 Sept., 1394. Honorius II, 1061-72.
Amadeus of Savoy (Felix V). Nov., 1439 to
April, 1449.