various descendants of the Church of the East. East Syriac Christianity consists of an Edessan liturgical rite called the East Syriac Rite (also known as the Edessan Rite, Assyrian Rite, Babylonian Rite, Chaldean Rite or Persian Rite). The major anaphora of the East Syriac tradition is the Holy Qurbana of Saints Addai and Mari;