Pope Gregory XI

Pope Gregory XI (; 1331 –27 March 1378), born Pierre Roger de Beaufort, was a French cleric of the Roman Catholic Church and the 202nd Pope from 1370 until his death.
He was the seventh and last of the popes who lived in Avignon in France.
Early life.
Pierre Roger de Beaufort was born in 1331 in Limousin in France. The Rosier or Roger family were important in Limousin in central France.
Beaufort was a nephew of Pope Clement VI.
Cardinal.
Clement VI raised Beaufort to the rank of cardinal in 1348.
Pope.
Cardinal Beaufort was elected pope in 1370; and he chose to be called Gergory XI. He was ordained as a priest on January 4, 1371; and was crowned pope on the following day, January 5, 13271 
In 1377, Gregory XI was persuaded by Catherine of Siena to return to Rome. He reestablished the papacy in Italy.
Gregory is also remembered as the Pope who condemned John Wycliffe.
Western Schism.
When Gregory died on March 27, 1378, the cardinals in Rome elected an Italian-born pope named Urban VI as his successor. 
In Avignon, the cardinals elected a French-born pope who they named Clement VII.
The Western Schism begins with the dispute between the supporters of the Italian-born pope and the French-born pope.