Kilij Arslan IV
…Sultan of Rûm from 1249 to 1254 and later from 1257 to 1266. However, a jarlig issued by Güyük Khan confirmed him as sultan over his elder brother, Kaykaus II in 1248. But this jarlig would quickly be worthless after Güyük's death in the same year. Later, Arslan's supporters killed Shams al-Din Isfahani, a…