Mirza Aqa Khan Nuri ( Persian : میرزا آقا خان نوری ), E'temad-ol Dowleh (اعتماد الدوله; born c. 1807 – died 1865) was a politician in Qajar Iran , who served as prime minister ( صدر اعظم , "ṣadr-e aʿẓam") between 1851–58 during the reign of Naser al-Din Shah Qajar ( r. 1848–96). He was a prominent member of the Khajeh Nouri family .