Complex sentence: In the 4th century some of inabitants of Sharazor who converted to Christianity were persecuted by Sassanids, among whom one can mention the killing of Bishop Shahdost Shahrazori and 128 of his followers.
Split into simpler sentences: In the 4th century, some of inabitants of Sharazor who had converted to Christianity were persecuted by Sassanids. Among the prominent examples of this persecution is the killing of Bishop Shahdost Shahrazori and 128 of his followers.