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Born in Constantinople, Istanbul Hector de Castro Castro was educated in Paris and Vienna. He emigrating to the United States and was naturalized in 1885. He became Vice President of the American Cable Company. Resigned from American Cable Company in 1890 to accept position as Secretary of the Intercontinental Railroad Commission In 1890, de Castro married Grace Aldrich of New York. The couple had no children.
 place of birth: Hector de Castro, Constantinople, Istanbul
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  Hector de Castro, Constantinople, Istanbul 
Answer:
 place of birth: Hector de Castro, Constantinople, Istanbul