Saadat Ali Khan (Hindi: सआदत अली खान, Urdu: سعادت علی خان) (b. c. 1680 – d. 19 March 1739) was the Subahdar Nawab of Awadh (Oudh) from 26 January 1722 to 1739,[2] and the son of Muhammad Nasir.[3] At the age of 25 he accompanied his father Muhammad Nasir and joined the final campaign of the Mughal Emperor Aurangzeb against the Maratha in the Deccan, where the Mughal Emperor honorably awarded him the title Khan Bahadur for his steadfast services.
Sa'adat Khan was born Muhammad Amin Musawi the son of Muhammad Nasir Musawi a Shia Muslim merchant of Khurasan and descendant of Musa al-Kadhim. His grandfather a wealthy merchant migrated to India during the reign of the Mughal Emperor Shah Jahan. Saadat Ali Khan I's father became a very prominent official during the rule of Bahadur Shah I.
He had five daughters but his eldest was married to his nephew Muhammad Muqim better known as Abul Mansur Khan Safdar Jung the son of his Sister and Sayadat Khan a descendant of Qara Yusuf who succeeded him in the government of Awadh.
