The understanding of the early history of Achaemenid in recent studies has undergone significant changes. Recent research has emphasized the family distinction between Cyrus the Great and Darius the First, and it has become difficult to validate the traditional and contemporary reconstruction of Dar Yush's claims of kinship, which implies a dual descent from Achaemenid through Tish-Peesh. In one inscription related to Cyrus and another related to Darius. Since the inscriptions of Cyrus in Pasargad were shown to be fake, therefore, the "Achaemenid" dynasty as a descendant of Darius and the relationship between Darius and his predecessors needs a new evaluation.The understanding of the early history of Achaemenid in recent studies has undergone significant changes. Recent research has emphasized the family distinction between Cyrus the Great and Darius the First, and it has become difficult to validate the traditional and contemporary reconstruction of Dar Yush's claims of kinship, which implies a dual descent from Achaemenid through Tish-Peesh. In one inscription related to Cyrus and another related to Darius. Since the inscriptions of Cyrus in Pasargad were shown to be fake, therefore, the "Achaemenid" dynasty as a descendant of Darius and the relationship between Darius and his predecessors needs a new evaluation.