[2] As a result, they are often mentioned by name in the standard histories of the Nestorian patriarchs, so that a relatively full list of the bishops of the diocese has survived.
It was said to have been founded by the apostle Mari in the first century, several decades before the establishment of a diocese in the Persian capital Seleucia-Ctesiphon.
[6] By 1222 the guardianship of the vacant patriarchal throne, for centuries a privilege of the bishops of Kashkar, was in the hands of the metropolitans of Beth Huzaye.
[21] The bishop Zakarya of Kashkar was present at the consecration of the patriarch Ishoʿ Bar Nun in 823.
[22] The bishop Hnanishoʿ of Kashkar was natar kursya between the death of the patriarch Enosh and the consecration of his successor Yohannan II in 884.
[23] The bishop David of Kashkar was natar kursya between the death of the patriarch Yohannan IV in 905 and the consecration of his successor Abraham III in 906.
He was deposed and excommunicated for seven years for misbehaviour, and was eventually restored to his old diocese at the request of the Nestorians of Hamadan.
[30] The seat of the diocese of Kashkar appears to have been transferred to Wasit by the end of the eleventh century.
[32] The bishop Sabrishoʿ of Qaimar was transferred to the diocese of Kashkar by the patriarch Eliya III (1176–90).