72725
The previous month the lonely king had lost most of his family , including his favourite and eldest son the Prince of Piedmont , and sought the security of a previous mistress Anna Canalis di Cumiana .
 Piedmont, Anna Canalis di Cumiana
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Piedmont, Anna Canalis di Cumiana