Ahmad Niyaltigin was the treasurer of a sultan who rose to power by seizing what from his younger twin?
Mas'ud I of Ghazni Mas'ud I of Ghazni (Persian: مسعود غزنوی‎ ‎ ), known as Amīr-i Shahīd (امیر شهید ; "the martyr king")(998 – 17 January 1040), was "sultan" of the Ghaznavid Empire from 1030 to 1040. He rose to power by seizing the Ghaznavid throne from his younger twin Mohammad, who had been nominated as the heir upon the death of their father Mahmud of Ghazni. His twin was shortly blinded and imprisoned. However, when much of Mas'ud's western domains had been wrested from his control, his troops rebelled against him and reinstated Mohammad to the throne.
Suleiman II Suleiman II (15 April 1642 – 22/23 June 1691) (Ottoman Turkish: سليمان ثانى "Süleymān-i sānī") was the Sultan of the Ottoman Empire from 1687 to 1691. After being brought to the throne by an armed mutiny, Suleiman and his grand vizier Fazıl Mustafa Pasha were successfully able to turn the tide of the War of the Holy League, reconquering Belgrade in 1690, as well as carrying out significant fiscal and military reforms.