90322
In addition to being the claimant to the defunct throne of Romania , he was also a Prince of Hohenzollern-Sigmaringen until 10 May 2011 , when he renounced this title .
 Romania, Hohenzollern-Sigmaringen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Romania, Hohenzollern-Sigmaringen