Mohammad Shah Qajar
Malek Jahan Khanom, Mahd-e Olia (), (born Malek Jahan Khanom Qajar Ghovanloo; 26 February 1805 – 2 April 1873) was the wife of Mohammad Shah Qajar of Persia and the mother of Naser al-Din Shah. She was the de facto regent of Persian Empire for one month, from 5 September until 5 October in 1848, between the death of her husband and the accession to the throne of her son.