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Two of ' sons work as professional wrestlers under the names Dr. Wagner Jr. and Silver King and one of his grandsons made his wrestling debut in 2009 under the name El Hijo de Dr. Wagner Jr. or Dr. Wagner III  Manuel  was born on April 13 1936 in Zacatecas Zacatecas  Mexico  although later on he would be billed as being born in 1941 .
 country of birth: Manuel, Mexico
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 country of birth: Manuel, Mexico