15th-century antipopes

Italian bishop; Pisan antipope (1410–1415)

antipope 1439 to 1449, count of Savoy

Catholic cardinal and antipope (1339-1410)

cardinal, antipope from 1394 to 1423 (1328-1423)

antipope at Avignon from 1423 to 1429

title used by two antipopes 1424 to 1437