Mehdi Qali Khan Majdal Doulah (born in 1230, died in 1316 AD), known as Haj Majdal Doulah, was the cousin of Naser al-Din Shah Qajar and the son of Isa Khan Vali.Majdal Doulah was the son of Issa Khan Estimad al Doulah, the brother of Mahd Alia, and the uncle of Naser al-Din Shah Qajar. Majdal Doulah was the son of an uncle and an inseparable close relative of Naser al-Din Shah, so he accompanied him on all three trips of Naser al-Din Shah to Europe. On the last trip, when the Shah visited the Eiffel Tower in Paris, which had just been built for the International Exhibition, he was told that a French adventurer had climbed the scaffolding of the tower without equipment to the top that day in order to set a record.