Ashtat Yeztayar was an Iranian military officer under what last great king of the Sasanian Empire, reigning from 590 to 628?
Khosrow II Khosrow II (Chosroes II in classical sources; Middle Persian: "Husrō(y)"), entitled "Aparvēz" ("The Victorious"), also Khusraw Parvēz (New Persian: خسرو پرویز ), was the last great king of the Sasanian Empire, reigning from 590 to 628.
Orontes I Yervand I (classical Armenian: Երուանդ Ա, Yervand I) Armenian was a King of the Orontid Dynasty who reigned during the period between 401 BC – 344 BC. The Persian version of the name is Auruand which meant "Great Warrior" in the Avestan language. It is likely this was a special title given by the Persian king to a chosen Armenian man, though this seems to have become a hereditary title in that family.