Analysis of information sources in references of the Wikipedia article "Igreja Assíria do Oriente" in Portuguese language version.
St Peter, the chief of the apostles added his blessing to the Church of the East at the time of his visit to the see at Babylon, in the earliest days of the church: '... The chosen church which is at Babylon, and Mark, my son, salute you ... greet one another with a holy kiss ...' ( I Peter 5:13-14).