Note 20 — Chapter III · Legends of the Conversion to Christianity
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The traditions about St. Thaddeus vary. Some suppose him to have been the brother of St. Thomas, and according to these, he traveled to Ardaze by way of Edessa. There is an anachronism, however, in this tradition which would transfer the mission of Thaddeus to the second century. According to a second tradition he is not the brother of Thomas, but one St. Judas Thaddeus, surnamed Lebbeus, who also is said to have established a sanctuary of worship at Ardaze, a circumstance admitted by the Greek and Latin churches. The Armenian church places the time of this mission as a period of eight years from 35–43. That this has been done to lay a strong foundation for the claim of apostolic origin may be suspected, especially in view of the belief that apostolic origin is essential to every Christian church, in order, as stated by Ormanian, “to place her in union with her Divine Founder.” The church, however, has us at its mercy, for conclusive evidence one way or another is lacking. Nevertheless, the fact of Thaddeus’ mission to Armenia wherever and whenever it might have occurred, is undisputed.20