Pope Gregory XII (c. 1326 - 18 October 1417), born Angelo Correr or Corraro, Pope from 1406 to 1415, succeeded Pope Innocent VII (1404–06) on 30 November 1406. He was chosen at Rome by a conclave consisting of only fifteen cardinals under the express condition that, should antipope Benedict XIII (1394–1423), the rival Pope at Avignon, renounce all claim to the Papacy, he also would renounce his, so that a fresh election might be made and the ...