Peter I of Armenia

Catholicos Peter I Getadardz (? – died 1058) (Պետրոս Ա. Գետադարձ) was the Catholicos of the Armenian Apostolic Church between 1019 and 1058. He was the brother of a former Catholicos Khachik I. He was the author of several works of sermons, anthems, and elegies on early Christian martyrs.