 He adopted the Muslim title and name (in Arabic) of Sultan (discarding the old Divehi title of "Maha radun" or "Ras Kilege") Muhammad al Adil, initiating a series of six Islamic dynasties consisting of 84 sultans and sultanas that lasted until 1932, when the sultanate became elective.According to Merinid traveller Ibn Batuta, the person responsible for this conversion was Muslim visitor Abu al Barakat from Morocco.However, a more reliable Maldivian tradition says that he was a Persian saint from Tabriz called Yusuf Shamsuddin.