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.
Orhan Orhan Gazi (Ottoman Turkish: اورخان غازی، اورخان بن عثمان بن ارطغرل‎ ; Turkish: "Orhan Gazi" ) (c.1281 – March 1362) was the second bey of the nascent Ottoman Sultanate (then known as the Ottoman Beylik or Emirate) from 1323/4 to 1362. He was born in Söğüt, as the son of Osman Gazi and Malhun Hatun. His grandfather was Ertuğrul.