Analysis of information sources in references of the Wikipedia article "Acts of Thomas" in English language version.
The identity of Misdaeus' (Mazdai), the second king visited, under whom St. Thomas suffered martyrdom, is less certain; he may possibly have been Abdagases, viceroy of Gondopharnes in Seistan. See E. J. Rapson, The Cambridge History of India, vol. i, 1922, pp. 576-80.
St. Ephraem the Syrian (born about A.D. 300, died about 378), who spent most of his life at Edessa, in Mesopotamia, states that the Apostle was martyred in ' India,' and that his relics were taken thence to Edessa. That St. Thomas evangelized the Parthians, is stated by Origen (born A.D. 185 or 186, died about 251-254). Eusebius (bishop of Caesarea Palaestinae from A.D. 315 to about 340) says the same
