_Darius I ACHAEMENID __+
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                            _Xerxes I ACHAEMENID ____|
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                           |                         |_Atossa of ACHAEMENID _+
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 _Artaxerxes I ACHAEMENID _|
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|                          |_Amestris of ACHAEMENID _|
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|--Darius II Ochus ACHAEMENID 
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|_Cosmartidene of BABYLON _|
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