Masʿūd I

…was his son Rukn al-Dīn Masʿūd I. He seized Konya in 1116 with the help of his father-in-law Amīr Ghāzī Gümüshtegin Dānishmend, who had come to power after the death of his father Malik Dānishmend Ghāzī. During his nearly 40-year rule Rukn al-Dīn Masʿūd held back the Byzantines while patiently…

…of Qïlïj Arslan and helped Masʿūd seize power in 1116. Gazi then captured Malatya, Ankara, Kayseri, and Kastamonu from Masʿūd’s rivals (1127). Finally in 1133 Gazi recaptured Kastamonu from the Byzantine emperor John II Comnenus, who had taken it the previous year. The caliph al-Mustarshid and Sanjar, the Seljuq sultan…