Analysis of information sources in references of the Wikipedia article "จักรวรรดิฆวอแรซม์" in Thai language version.
Mahm ̄ud and Masc ̄ud I of Ghazna had appointed Turkish slave commanders from their own army, Altuntash and his sons, as governors there with the ancient title of Khwarazm Shah." (...) "In order to secure these important regions, Malik Sh ̄ah had appointed the keeper of the royal washing bowls (tast-d ̄ar), his slave commander An ̄ush-tegin Gharcha’ ̄ı, as titular governor at least in Khwarazm. During Berkyaruk’s reign, the sultan appointed in 1097 another Turkishghul ̄am, Ekinchi b. Kochkar, with the historic title of KhwarazmShah. When, in that same year, Ekinchi was killed, Berkyaruk nominated in his stead An ̄ushtegin’s son Qutb al-D ̄ın Muhammad as governor, and Muhammad’s tenure of power there (1097–1127) inaugurates the fourth and most brilliant line of hereditary KhwarazmShahs
This dynasty eventually built up, as the Seljuq empire in the east tottered to its close, the most powerful and aggressively expansionist empire in the Persian lands, in the end defeating their rivals for control of Khurasan, the Ghurids of Afghanistan, threatening western Persia and Iraq and the Abbasid caliphate itself, and only disintegrating under the overwhelming military might of the Mongol invaders in the opening decades of the thirteenth century.
