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.
Anastasius II of Antioch Anastasius II of Antioch, also known as Anastasius the Younger, succeeded Anastasius of Antioch as Eastern Orthodox Patriarch of Antioch, in 599. He is known for his opposition and suppression of simony in his diocese, with the support of Pope Gregory the Great. In 609 Anastasius is said to have been murdered during an uprising of Syrian Jews against Emperor Phocas, although some Monophysite locals or soldiers have also been suggested.