231502
Many members of the family were distinguished as condottieri , diplomat s and ecclesiastic s. Alberto Pio obtained from the house of Savoy in 1450 the privilege of adding " di Savoia " to his name as a reward for his military services .
 Alberto Pio
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alberto Pio