Isaïe Ier d'Eghipatrouch
d. 788
Catholicos of All Armenians
Offices
How we know
Recorded as a historical figure.
- Oriens Christianus in quatuor Patriarchatus digestus 1 claim — Oriens Christianus I, coll. 1393-1394 — Catholici Armeniae Majoris, no. XLIII