13881
He reputation must have spread , for he is known , on a number of occasions , to have attended King John III of Portugal and his consort , Queen Catherine , sister of the Emperor Charles V .
 King John III of Portugal, Emperor Charles V
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 King John III of Portugal, Emperor Charles V