大セルジューク朝
The process of Persianization accelerated in the thirteenth century with the presence in Konya of two of the most distinguished refugees fleeing before the Mongols, Bahā' al-Dīn Walad and his son Mawlānā Jalāl al-Dīn Rūmī, whose Mathnawī, composed in Konya, constitutes one of the crowning glories of classical Persian literature." Mehmed Fuad Köprülü, "Early Mystics in Turkish Literature", Translated by Gary Leiser and Robert Dankoff, Routledge, 2006, p. 149: "If we wish to sketch, in broad outline, the civilization created by the Seljuks of Anatolia, we must recognize that the local—i.e., non-Muslim, element was fairly insignificant compared to the Turkish and Arab-Persian elements, and that the Persian element was paramount. The Seljuk rulers, to be sure, who were in contact with not only Muslim Persian civilization, but also with the Arab civilizations in al-jazlra and Syria—indeed, with all Muslim peoples as far as India—also had connections with {various} Byzantine courts.
First, since the Turkish-speaking rulers of most Iranian polities from the Ghaznavids and Seljuks onward were already Iranized and patronized Persian literature in their domains, the expansion of Turk-ruled empires served to expand the territorial domain of written Persian into the conquered areas, notably Anatolia and Central and South Asia. Secondly, the influx of massive Turkish-speaking populations (culminating with the rank and file of the Mongol armies) and their settlement in large areas of Iran (particularly in Azerbaijan and the northwest), progressively turkicized local speakers of Persian, Kurdish and other Iranian languages" (John Perry.