Halimah IV
Halimah IV, also called Alimah, was the sovereign, Sultana regnant, of the Anjouan sultanate at Nzwani in the Comoro Islands from 1788 until 1792. Halimah was the de facto ruler of Anjouan with sultan Abdallah I during his reigns in 1782–1788 and 1792–1796.
