[10][19] Slaves included members of the Mughal nobility. A notable royal slave was Alaol, a renowned poet in the Arakanese court.[20][21] Some of them worked as Arabic, Bengali, and Persian scribes in the Arakanese courts, which, despite remaining mostly Buddhist, adopted Islamic fashions from the neighbouring Sultanate of Bengal.[22] Arakan lost control of end of eastern bank of the Kaladan river in southeast Bengal after the Mughal conquest of Chittagong.