Kaykaus II
| Kaykaus II | |
|---|---|
| Reign | 1246–1257 |
| Predecessor | Kaykhusraw II |
| Died | 1279/80 Crimea |
| Persian language | عز الدين كيكاوس بن كيخسرو |
| House | House of Seljuq |
Kaykaus II or Kayka'us II (Persian: عز الدين كيكاوس بن كيخسرو, ʿIzz ad-Dīn Kaykāwus bin Kaykhusraw) was the sultan of the Seljuqs of Rûm from 1246 until 1257.
Kaykaus was the eldest of three sons of Kaykhusraw II. He was a youth at the time of his father's death in 1246 and could do little to prevent the Mongol conquest of Anatolia. For most of his tenure as the Seljuq Sultan of Rûm, he shared the throne with one or both of his brothers, Kilij Arslan IV and Kayqubad II. His mother was the daughter of a Greek priest, and it was the Greeks of Nicaea from whom he consistently sought aid throughout his life. Mongol commander Baiju threatened him and warned him of being late with paying tribute and requested new pastures in Anatolia for the Mongol cavalry. The Mongols defeated Kaykaus who then fled to the Byzantine Balkan in 1256. The Byzantine court detained him, though, they welcomed him as usual. So Kaykaus's brother Kayqubad appealed to Berke Khan of the Golden Horde. Nogai invaded the Empire in 1265 and released him and his men after Emperor Michael detained an envoy from Cairo to Berke. Berke gave Kaykaus appanage in Crimea and had him married to a Mongol woman. He died an exile in 1279 or 1280 in Crimea.
Though deposed and exiled, Kaykaus remained popular among the Turkmen of Anatolia and a threat to the stability of the fragile Seljuq-Mongol relationship. The vizier Fakhr al-Din Ali was imprisoned for a time in 1271 for corresponding with him. It was from Kaykaus that Karamanoğlu Mehmed Bey in 1276 sought help in his uprising against the Mongols. Since Kaykaus was in no position to help, Mehmed Bey thought it best to have a representative of Kaykaus’ line on his side, even if only an imposter, and named Jimri as head of the revolt. Kaykaus later dispatched several of his sons from the Crimea as pretenders, one of which, Masud II, was ultimately successful in winning the Seljuq throne in 1280.
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