Qïlïj Arslan II

…death (1164), the Seljuq sultan Qïlïj Arslan II intervened repeatedly in the affairs of the Sivas and Kayseri branches and finally invaded Dānishmend territory; but he was stopped by Dhū an-Nūn’s father-in-law, Nureddin of Mosul. Nureddin died in 1174, however, and Qïlïj was able to take Sivas, the Yeşil Irmak…

…al-Dīn Masʿūd’s son ʿIzz al-Dīn Qïlïch Arslān II (1155–92), who ruled nearly as long as his father, is considered one of the most important of the Anatolian Seljuq sultans. He first concluded an alliance with the Byzantines to free his hand in dealing with the remnants of the Dānishmendids, and…