Aḥmad Bey b. Muṣṭafā of Tunis (d. 1855) was the tenth ruler of the Ḥusaynid dynasty, which ruled Tunisia from 1705 until 1957; he was known as a reformer and moderniser. He was born in 1221/1806 to a Sardinian slave woman, Francesca Rosso, who had been taken captive by Tunisian …