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At the time of his death at the age of 95 , his was the longest pontificate since Saint Peter ( the first pope ) until it was surpassed by the 24-year papacy of Pius VI in the late 18th century .
 Saint Peter, Pius VI
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Saint Peter, Pius VI