Վրթանէս Ա. Պարթև) was the 14th Catholicos-Patriarch of the Armenian Apostolic Church serving from 333 until his death in 341.
He was the son of Julitta (or Mariam) of Armenia and Gregory the Illuminator.
Vrtanes was the first son born to St. Gregory I the Illuminator by his wife Miriam and his younger brother was St. Aristaces I.
He died on 341 in which he was replaced by his eldest son, St. Husik I, as the next Catholicos-Patriarch.
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