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.
The district was carved out by amalgamating Sami, Harij, Chanasma, Sidhpur and Patan Talukas of the erstwhile Mehsana District with Radhanpur and Santalpur Talukas of the erstwhile Banaskantha District.