Ahmad Niyaltigin was the treasurer of a sultan who rose to power by seizing what from his younger twin?
Ahmad Niyaltigin Ahmad Niyaltigin (Persian: ‎ ‎ ) was a treasurer of Sultan Mahmud Ghaznavi and later of his son Sultan Mas'ud Ghaznavi. Sultan Masud appointed him governor of Punjab region in 1033. Ahmad Niyaltigin with small detachment of soldiers raided Varanasi, before withdrawing back to Punjab.
Gıyâseddîn Halil Bey Gıyâseddîn Halil Bey was the tenth Emir of Ramadan who ruled the Beylik of Adana (Turkish: "Ramazanoğulları, Ramazan, Ramazanoğulları Beyliği" ). The son of Dâvûd Bey, who was killed in Aleppo in 1480, Halil Bey focused his reign on maintaining peace between the Mamluk Sultanate and the Ottoman Empire and creating an environment where Islamic scholarship and architecture flourished. He was noted for his generosity and was named "Gıyâseddîn" on honour of his love for his subjects. Halil Bey died in 1511 and was succeeded by his brother Mahmûd Bey.