1. Aba I introduced to the church the anaphoras of Theodore of Mopsuestia and Nestorius beside the more ancient liturgical rite of Addai and Mari.

1. Aba I introduced to the church the anaphoras of Theodore of Mopsuestia and Nestorius beside the more ancient liturgical rite of Addai and Mari.
Aba I is thought to have written and translated a number of religious works.
Aba I is documented in the Ausgewahlte Akten Persischer Martyrer, and The Lesser Eastern Churches, two biographies of Eastern saints.
Aba I was baptised in Hirta and studied at the School of Nisibis.
Aba I then went to Edessa in the Roman Empire, where he learned Greek from Thomas, who became his travelling companion.
Aba I traveled widely in the Roman Empire, visiting the Holy Land, Constantinople and Egypt.
Aba I was in Constantinople sometime between 525 and 533.
Aba I says that in Greek Aba went by the name Patrikios.
Aba I later taught in Seleucia-Ctesiphon, the school of which he is said to have founded.
Aba I was able to resolve this schism, visiting the disputed areas and negotiating agreements to reunite the church.
In 549, Aba I established a diocese for the Hephthalite Huns.