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Only a few days after the closure of the congress on June 28 1914  Archduke  Franz Ferdinand Austria-Hungary's crownprince and his wife Sophie ( Marie Henrieta's cousin ) were Assassination of  Archduke Franz Ferdinand of Austria  in Saraevo .
 alternate names: Archduke, Archduke Franz Ferdinand of Austria
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  Archduke, Archduke Franz Ferdinand of Austria 
Answer:
 alternate names: Archduke, Archduke Franz Ferdinand of Austria