WHAT DOES SULTAN KING MEAN?

Sultanate of Zanzibar: two incumbents (within the Omani dynasty) For the reason that de facto separation from Oman in 1806, the last assumed the title Sultan in 1861 with the formal separation less than British auspices;[citation needed] since 1964 union with Tanganyika (Component of Tanzania)A member of your 'Alawi dynasty, he played an instrument