Yohannan VI bar Nazuk was Patriarch of the Church of the East from 1012 until his death, which is given by various sources as being in 1016[1] or 1020.
[2][3] Brief accounts of Yohannan's patriarchate are given in the Ecclesiastical Chronicle of the Jacobite writer Bar Hebraeus (fl.
The following account of Yohannan's patriarchate is given by Bar Hebraeus: After the death of Yunanis a quarrel arose among the bishops over the appointment of his successor.
The name of Yohannan bar Nazuk, bishop of Hirta, was drawn, and everybody agreed with this result.
He prayed over the deposed bishops, restoring them to their dignity, and transferred others from one seat to another, not out of necessity but in return for bribes.