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Gregory XII,c.1327–1417, pope (1406–15), a Venetian named Angelo Correr; successor of Innocent VII. As a condition of election, Gregory promised to do everything possible to end the Great SchismSchism, Great,
or Schism of the West,
division in the Roman Catholic Church from 1378 to 1417. There was no question of faith or practice involved; the schism was a matter of persons and politics.
..... Click the link for more information. , including the relinquishing of his office. Negotiations were opened with the Avignon antipope, Benedict XIII (see Luna, Pedro deLuna, Pedro de
, 1328?–1423?, Aragonese churchman, antipope (1394–1417) with the name Benedict XIII. He was a doctor of canon law and as cardinal (1375) became an outstanding member of the Curia Romana.
..... Click the link for more information. ), but soon broke down under pressure from Gregory's family. Seven of his cardinals thereupon defected and together with a group of Avignon cardinals convoked the Council of Pisa (see Pisa, Council ofPisa, Council of,
1409, unrecognized council of the Roman Catholic Church. It was summoned to end the Great Schism (see Schism, Great) by members of the colleges of cardinals of the two rivals, Gregory XII (in Rome) and Benedict XIII (Pedro de Luna, in Avignon).
..... Click the link for more information. ) which elected a second antipope, Alexander V. The Council of Constance (see Constance, Council ofConstance, Council of,
1414–18, council of the Roman Catholic Church, some of its sessions being reckoned as the 16th ecumenical council. It was summoned to end the Great Schism (see Schism, Great), in which three men were claiming to be pope—Gregory XII (since
..... Click the link for more information. ) deposed the two antipopes, accepted Gregory's resignation (1415), and saw to the proper election of Martin VMartin V,
1368–1431, pope (1417–31), a Roman named Oddone Colonna; successor of Gregory XII. He was created cardinal by Innocent VII, and in the schism (see Schism, Great) he attended and supported the decisions of the Council of Pisa (see Pisa, Council of).
..... Click the link for more information. (1417). Gregory died as cardinal bishop of Porto.