Was of Turkí origin, the slave of Alptigín who was a servant of Amír Manṣúr-ibn-Núḥ Sámání.* In the year 367 H. after the death of Abú Iṣḥáq, the son of Alptigín, by common consent of the soldiery and populace he succeeded* to the imperial throne in the city of Bust* and raised the standard of conquest, and girding up the loins of energy and effort for foray and religious war, he invaded Hindustán on the frontiers of the country of Koh-i-Júd * and having fought a severe battle with Jaipál who was the ^9. ruler of Hindustán, concluded peace with him. Jaipál, however, broke the treaty. Accordingly Náṣiru-d-dín Subuktigín equipped an army composed of 10,000 cavalry and numberless elephants huge as mountains, and engaged in conflict with him a second time, fought a great battle with him in the neighbourhood of Lamghánát,* the breeze of victory stirred the banners of Amír Náṣirn-d-dín, the army of Jaipál suffered defeat, and he him­self took to flight and sought refuge in Hindustán. Thus Lamghánát came into the possession of Amír Náṣiru-d-dín, the Khutbah was read and the coin struck in his name.* Then he proceeded to the assistance of Amír Núḥ-ibn-Manṣúr Sámání* and was the means of procuring notable victories in Khurásán and the regions beyond the river.* Finally in the month of Sha‘bán* of the year 387 A.H. (997 A.D.,) he obediently submitted to the summons of the Almighty, having reigned for twenty years.