Prosh Khaghbakian (bahasa Armenia: Պռօշ Խաղբակեան, translit. Pṙōš Xałbakean; m. 1223–1283), juga dikenal sebagai Hasan Prosh, adalah seorang pangeran Armenia yang menjadi pengikut pangeran-pangeran Zakarin di Armenia. Ia adalah anggota dinasti Khaghbakian, yang juga dikenal sebagai dinasti Proshian menurut namanya. Ia adalah panglima tertinggi (sparapet) pasukan Zakarin dari tahun 1223 hingga 1284, menggantikan ayahnya Vasak. Ia adalah salah satu penguasa Armenia Raya utama yang melaksanakan aliansi antara tuan tanahnya, raja Georgia David Ulu, dan Pangeran Mongol Hulagu, selama penaklukan Mongol di Timur Tengah (1258–1260).[2]
^Bayarsaikhan 2011, hlm. 121, 129: "(...) The main allies of this campaign were King Het‘um from Cilicia, the Greater Armenian lords under the Georgian King David Ulu and the Mongol Prince Hűlegű, who promoted himself as a founder of the Mongol dynasty in this region. (...) In November 1257, Hűlegű set off from Hamadān in the direction of Baghdad. (...) With him were the forces of the Armenian Prince Zak‘arē, the son of Shahnshah Zak‘arian and Prince Pŕosh Khaghbakian. The Mongols placed considerable trust in these Armenian lords, whose assistance they had received since the 1230s".
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