6368
He and his wife Wanda von Mohl ( Countess von der Groeben ) served with the Japanese Imperial Household Ministry in Tokyo  Japan  to introduce European Court ceremonials and protocols to Japanese  Emperor Meiji  and his court .
 Japan, Emperor Meiji
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:
 Japan, Emperor Meiji