Antipope john xxiii biography templates
Antipope John XXIIIRELIGIOUS FIGURE1370 - 1419 Antipope John XXIIIBaldassarre Cossa (died 22 December 1419) was Pisan antipope as John XXIII (14101415) during the Western Schism. The Catholic Church today regards him as an antipope in opposition to Pope Gregory XII, whom it recognizes as the rightful successor of Saint Peter.