sultan kingSultan Ibrahim Ismail ibni al-Marhum Sultan Mahmud Iskandar al-Haj (Born 22 November 1958 – enthroned 23 January 2010 – ) Raja Zarith Sofia binti al-Marhum Sultan Idris al-MutawakilNote that while a sultan is the king of an Islamic state, similar to the way a European king was the ruler (in the Middle Ages) of a CatholicChristian state, an Emir