[1] She was the de facto regent of Iran for one month, from 5 September until 5 October in 1848, between the death of her husband and the accession of her son.

Malek Jahan Khanom was an Iranian princess of the Qajar dynasty by both birth and marriage.

She held prestige within the harem for several reasons: because of her seniority among the Shah's wives; because she was a member of the family by birth and therefore well-networked and well-versed in their ways; because she bore her husband as many as five children (two of whom reached adulthood) and most of all because she was the mother of the crown prince.

Her only surviving son, Naser al-Din Shah, would succeed his father to the Iranian throne.

[3] As widow, she was the de facto regent of Iran 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.