Kayqubad I
The Çifte Minareli Medrese is thought to be the model for the Gök Medrese in Sivas. According to the inscription on the portal, it was built in 1271 by Khudavand Khatun, the daughter of Seljuq Sultan Kayqubad I. The madrasa probably had an impact on the Buruciye Madrasa too.