(2) Ghiyas ud din Balban(1266–86) was the ninth sultan of the Mamluk dynasty of Delhi. Ghiyas ud din was the vizier and heir of the last Shamsi Sultan, Nasirud-Din. He reduced the power of the treacherous nobility and heightened the stature of the sultan. Balban was the greatest of the Slave Kings. His Original name was Baha ud Din. He was ilbari- turk. When he was young he was captured by the Mongols carried to Ghazni and sold to Khawaja Jamal din of Basra,a man of piety and learning. The latter then brought him to Delhi in 1232 AD along with other slaves and all of them were purchased by Iltutmish.