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.
Murad II Murad II's reign was marked by the long war he fought against the Christian feudal lords of the Balkans and the Turkish beyliks in Anatolia, a conflict that lasted 25 years. He was brought up in Amasya, and ascended the throne on the death of his father Mehmed I. His mother was Valide Sultan Emine Hatun (daughter of Suleyman Bey, ruler of Dulkadirids), his father's third consort. Their marriage served as an alliance between the Ottomans and this buffer state, and produced a son, Mehmed II, who would go on to successfully conquer the Byzantine Empire's capital, Constantinople, in 1453.