Mubarak Shahi dynasty

[3] According to some historians, Mubarak was born into a Bengali Sunni Muslim family in a village located in the eastern part of Noakhali, in present day Bangladesh.

[8] After the death of Bahram Khan in 737 AH (1336-1337 AD), Mubarak rose to power and declared himself as independent ruler from his proclaimed capital in Sonargaon.

[4] Shah's conquests of Comilla and Noakhali (present-day Bangladesh) were followed by gains of northern Sylhet and southern Chittagong.

[1] Shah sponsored several construction projects, including a trunk road and raised embankments, along with mosques and tombs.

[1] Ikhtiyaruddin Ghazi Shah, was most probably Fakhruddin's son according to historian Jadunath Sarkar and succeeded him and ruled the independent Sultanate from Sonargaon till 1352.

Map of the Sonargaon Sultanate and the tripartite struggle over Bengal prior to unification.
Evolution of the Bengal Sultanate including the three city state sultanates prior to unification and Ilyas Shah 's conquest of Sonargaon .