2557
He had three daughters including the Italian Canadian journalist Dara Kotnik Mancini and Ivanka Kotnik mother of the Italian politician  Walter Veltroni  former Mayor of Rome and former president of the  Democratic Party  .
 Walter Veltroni, Democratic Party
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 Walter Veltroni, Democratic Party