[father of Darius I] Vishtaspa (fl. 550 BC), known under his Hellenized name Hystaspes (Ὑστάσπης), was a Persian satrap of Bactria and Persis, and the father of Darius I of Persia. The son of Arsames, Hystaspes was a member of the Persian royal house of the Achaemenids. He was satrap of Persis under Cambyses, and probably under C...
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http://en.wikipedia.org/wiki/Hystaspes_(father_of_Darius_I)

protector and follower of the Iranian prophet Zoroaster. Son of Aurvataspa (Lohrasp) of the Naotara family, Hystaspes was a local ruler (kavi) in a ... [1 related articles]
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http://www.britannica.com/eb/a-z/h/93

son of Arsames, king of Parsa, and father of the Achaemenid king Darius I of Persia.[2 related articles]
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http://www.britannica.com/eb/a-z/h/93
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