Giovanni Visconti was, according to Lorenzo Cardella, nephew of

Pope Gregory X Pope Gregory X (; – 10 January 1276), born Teobaldo Visconti, was head of the Catholic Church and ruler of the Papal States from 1 September 1271 to his death and was a member of the Third Order of St. Francis. He was elected at the ...

. He was ostensibly created

cardinal-bishop of Sabina A cardinal is a senior member of the clergy of the Catholic Church. As titular members of the clergy of the Diocese of Rome, they serve as advisors to the pope, who is the bishop of Rome and the visible head of the worldwide Catholic Church. ...

by his uncle in 1275 and in 1276 was named judge in the case concerning the translation of bishop Giovanni of Potenza to the archbishopric of Monreale, postulated by the cathedral chapter of Monreale. He died in 1277 or 1278. The modern scholars have concluded that no such cardinal existed in 13th century because the suburbicarian see of Sabina was occupied by

Bertrand de Saint-Martin Bertrand de Saint-Martin (died 28 or 29 March 1278) was a French cardinal. He was born in Arles. Career in the Church He entered the Order of Benedictines and by 1238 was dean of the abbey of Saint-André de Villeneuve at Avignon. In 1248 he wa ...

from 1273 until at least 1277. The document of

Pope John XXI Pope John XXI (, , ; – 20 May 1277), born Pedro Julião (), was head of the Catholic Church and ruler of the Papal States from 8 September 1276 to his death in May 1277. He is the only ethnically Portuguese pope in history.Richard P. McBrien, ...

concerning the postulation of bishop Giovanni of Potenza to the see of Monreale actually refers to cardinal Bertrand and even explicitly calls him by name.Stapper, pp. 35-36 not. 3.

Notes

Sources

The Cardinals of the Holy Roman Church
*

Konrad Eubel Konrad Eubel or Conradus Eubel (19 January 1842 – 5 February 1923) was a German Franciscan The Franciscans are a group of related organizations in the Catholic Church, founded or inspired by the Italian saint Francis of Assisi. They in ...

: ''Hierarchia Catholica Medii Aevi'', vol. 1, Münster 1913 * Richard Stapper: ''Papst Johannes XXI'', Kirchengeschichtliche Studien, Münster 1898 * Richard Sternfeld, ''Der Kardinal Johann Gaetan Orsini (Papst Nikolaus III.) 1244-1277'', Berlin 1905 * Lorenzo Cardella: ''Memorie storiche de' cardinali della Santa Romana Chiesa'', vol. 2, Rome 1793 13th-century Italian cardinals

Giovanni Giovanni may refer to: * Giovanni (name), an Italian male given name and surname * Giovanni (meteorology), a Web interface for users to analyze NASA's gridded data * ''Don Giovanni'', a 1787 opera by Wolfgang Amadeus Mozart, based on the legend of ...

Cardinal-nephews 1270s deaths {{Italy-RC-cardinal-stub