188566
On 31 March , Talleyrand dined at his hotel with Frederick William III of Prussia and Alexander I of Russia , and pleaded for a Bourbon restoration , arguing that the Senate would support the plan .
 Talleyrand, Frederick William III of Prussia, Alexander I of Russia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Talleyrand, Frederick William III of Prussia, Alexander I of Russia