Tughril united the Turkmen warriors of the Great Eurasian Steppes into a confederacy of tribes, who traced their ancestry to a single ancestor named Seljuq, and led them in conquest of eastern Iran.
The consort of Queen Rusudan was a younger son of 'Abdu'l Harij Muhammad Mughis ad-din Tughril Shah, the Seljuq emir of Erzurum, and his wife, a daughter of Sayf al-Din Begtimur, the ruler of Ahlat.