 Sultan Faraj was assassinated in 1412 by rebellious Mamluk amirs and Mu'ayyad Sheikh eventually succeeded to the throne, reigning from 1412 to 1421.He was known as a relatively humble and pious ruler who spent little on himself.Nonetheless, he managed to erect many religious and secular buildings (including a large mosque) despite the unsettled political situation and the economic difficulties of Egypt at the time.