Man Gui was a Ming Dynasty

Ming Dynasty

The Ming Dynasty, also Empire of the Great Ming, was the ruling dynasty of China from 1368 to 1644, following the collapse of the Mongol-led Yuan Dynasty. The Ming, "one of the greatest eras of orderly government and social stability in human history", was the last dynasty in China ruled by ethnic...

 General (總兵) of Mongol origin.

Biography

First spotted in an inspection tour by Grand-Secretary Sun Chengzong

Sun Chengzong

Sun Chengzong was a Grand Secretary of the late Ming Dynasty. He also served as Troop Secretary....

, he was highly prominent under Marshal Yuan Chonghuan

Yuan Chonghuan

Yuan Chonghuan was a famed patriot and military commander of the Ming Dynasty who battled the Manchus in Liaoning. A commander of Cantonese origin, Yuan Chonghuan was known to have excelled in artillery warfare and successfully incorporated Western tactics with those of the East...

. He served under Yuan Chonghuan

Yuan Chonghuan

Yuan Chonghuan was a famed patriot and military commander of the Ming Dynasty who battled the Manchus in Liaoning. A commander of Cantonese origin, Yuan Chonghuan was known to have excelled in artillery warfare and successfully incorporated Western tactics with those of the East...

 in the Battle of Ningyuan

Battle of Ningyuan

The Battle of Ningyuan was a battle between the Ming Dynasty and the Manchurian Later Jin in 1626. The Ming won this battle. This battle marked the temporary resurgence of the Imperial Ming army after a long series of defeats....

 and in the Battle of Ningjin (Ningyuan and Jinzhou).

After the arrest of Yuan Chonghuan

Yuan Chonghuan

Yuan Chonghuan was a famed patriot and military commander of the Ming Dynasty who battled the Manchus in Liaoning. A commander of Cantonese origin, Yuan Chonghuan was known to have excelled in artillery warfare and successfully incorporated Western tactics with those of the East...

by the Ming emperor due to false charges, Man Gui became the main commander and was killed in combat in the battle of Beijing in 1629.