Analysis of information sources in references of the Wikipedia article "Զանգեզուր" in Armenian language version.
Alp-Arslan’s victory at Malazgirt also meant that, apart from the districts of Tashir and eastern Siunik', Armenia passes definitely into Muslim hands; and within the nest decade or so, the Byzantines, resolutely anti-Armenian to the end, exterminated several survivors of the native Bagratid and Ardzrunid dynasties.
Having only recently shaken off the yoke of the qezelbāš, the Armenian people reengaged in a struggle for liberation, this time against Ottoman occupation troops. The armed Armenian forces waged heroic battles on the outskirts of Erevan, in Qarabāḡ, in the mountainous regions of Siwnikʿ and elsewhere. Daviṭʿ Beg, leader of the liberation battles being waged in Siwnikʿ, defeated the Ottoman troops and reached the banks of the Aras. He linked with Shah Ṭahmāsp II who was conducting the war against the Ottomans in Azerbaijan. Shah Ṭahmāsp by special edict recognized the dominion of Daviṭʿ Beg over the province of Siwnikʿ
Having only recently shaken off the yoke of the qezelbāš, the Armenian people reengaged in a struggle for liberation, this time against Ottoman occupation troops. The armed Armenian forces waged heroic battles on the outskirts of Erevan, in Qarabāḡ, in the mountainous regions of Siwnikʿ and elsewhere. Daviṭʿ Beg, leader of the liberation battles being waged in Siwnikʿ, defeated the Ottoman troops and reached the banks of the Aras. He linked with Shah Ṭahmāsp II who was conducting the war against the Ottomans in Azerbaijan. Shah Ṭahmāsp by special edict recognized the dominion of Daviṭʿ Beg over the province of Siwnikʿ