[2][1][3][4] Bahaa el-Din bin Hanna began his work in the Egyptian Diwan during the reign of Sultan Turan Shah then Sultana Shajar al-Durr until he rose through the ranks until he became Vizier of State.
When Baybars assumed power, Bahaa was restored to the position of vizier in February 1261 with the advice of Sheikh al-Islam al-Izz ibn Abd al-Salam, who said that he was one of the most righteous and decisive men of the state.
Vizier Bahaa el-Din bin Hanna led major reform campaigns in the Egyptian state.
[2][5] The Grand Vizier Bahaa el-Din bin Hanna founded a large and powerful Egyptian family, as his sons and grandchildren from the Hanna family continued to hold major positions in the Egyptian Sultanate throughout the Mamluk era, and they often held vizier positions like their him and worked in the Diwan (royal offices).
[1][2][3][4] The Grand Vizier Bahaa el-Din bin Hanna died at the age of 73 in April 1278 during the reign of Sultan As-Said Barakah, and a solemn military funeral was held for him in Cairo, befitting his position as the strong, loyal, and righteous man of the Egyptian Sultanate.
He respects them and maintains good relations with them.”[1][2][3][4]To this day, there is one of the largest streets in the Egyptian capital, Cairo, bearing the name of the Grand Vizier Bahaa al-Din ibn Hanna.