The mausoleum was built by Mamluk Prince Khayer Bek in 1514 to hold his grave; however, was re-established as a mosque when he was transfered to serve in Cairo by the Ottoman authorities after their conquest of the city in 1516.

Source:

Burns, Ross. 1992. Monuments of Syria: A Historical Guide. London: I.B. Tauris, 39.

Hillenbrand, Robert. 1994. Islamic Architecture: Form, Function and Meaning. Edinburgh: Edinburgh University Press, 322.