Ruknuddin Barbak Shah

Ruknuddīn Bārbak Shāh (Bengali: রোকনউদ্দীন বারবক শাহ, Persian: رکن الدین باربک شاه; r.  1459–1474) was the son and successor of Sultan Nasiruddin Mahmud Shah.

[4] Barbak was born into an aristocratic Bengali Muslim Sunni family known as the Ilyas Shahi dynasty that had founded the Bengal Sultanate in 1352 CE.

[8] The extent of Barbak Shah's kingdom can be discovered through various inscriptions commemorating the construction of jame mosques and royal gates across Malda, Rajshahi, Rangpur, Chittagong, Dhaka, Sylhet, Mymensingh and for the first time, Barisal.

[9][10] According to the 17th-century work Risalat ash-Shuhada, Raja Kapilendra Deva (r. 1434–1467) of the Gajapati Kingdom (present-day Orissa) invaded southern Bengal during the early years of Sultan Barbak's reign and managed to capture the fort of Mandaran.

In January 1474 CE however, Barbak executed Ismail Ghazi after a malicious instigation led by Bhandsi Rai, who commanded the Sultanate's Ghoraghat frontier.