Saadat Ali Khan I

Saadat Ali Khan (b. c. 1680 – d. 19 March 1739) was the Subahdar Nawab of Awadh (Oudh) from 26 January 1722 to 1739, and the son of Muhammad Nasir. 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.

Life
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 is the progenitor of the Nawabs of Awadh (through female line).

Career
At the commencement of the emperor Muhammad Shah's reign he held the faujdari (garrison commander) of Bayana. He made an unsuccessful effort to relieve the trapped Mughal Army during the Battle of Bhopal.

He was one of the commanding Mughal generals in the Battle of Karnal against Nadir Shah. Sa'adat Khan was captured during the battle and died on the night prior to the massacre of Delhi by Nadir Shah on 19 March 1739. He was buried at Delhi in the mausoleum of his brother in Law Sayadat Khan.

Issue and successor
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.