He was the son of Eachi Proshian (1268/73-1318), himself a grandson of Prosh Khaghbakian, 13th century founder of the Proshyan dynasty.
[2][10] In these depictions, the Proshyans wear close-fitting clothing with an ornate belt and tall hats, and have round cheeks and almond-shaped eyes in a style characteristic of Mongol-era Armenia.
[1] Prince Eacchi Proshian on his reliquary, dated circa 1300, is shown wearing a Mongol-style royal dress (cloud collar).
[9] Nominally under the rule of the Kingdom of Georgia, the Proshians has effectively submitted to the Mongols since 1236 in exchange for keeping their lands and paying high taxes to the conqueror,[12] and in 1256 were effectively incorporated into the Mongol Ilkhanate together with the rest of historical Armenia.
[13] A colophon from a manuscript redacted in 1321 in the Monastery of Glajor mentions Amir Hasan II and harsh Mongol rule:[14] This was copied in the year 770 of our Haykazean Era [a.d. 1321], in bitter and evil times, when the nation of archers [azgn netolac‘] held under tyrannical sway all of Armenia and Georgia, during the reign of King Gorgen (Giorgi V) of the Georgians [Vrac‘], and of our heir-apparent King Lewon (Leon IV of Cilicia) of Armenia Major [Hayoc' Mecac']; and during the pontificate of the Lord Kostandin [Constantin III of Cesarea],[15] and the overseership of the Lord Yovhanes and the Lord Step'anos in our province of Siwnik'; and during the generalship and principality of Burt'el and Amir Hasan in our cantons...