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For other uses , see Heraclides Heraclides , son of Argaeus was an admiral sent by Alexander , shortly before his death , to construct ships on the Caspian Sea , with a view to a voyage of discovery , similar to that of Nearchus .
 Heraclides Heraclides, Nearchus
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Heraclides Heraclides, Nearchus