Al-Mutawakkil Alallah Sultan Iskandar ibni Almarhum Sultan Ismail Al-Khalidi[1][2][3][γ][δ] (Jawi:zسلطان إسكندر الهاج ابن المرحوم سلطان اسماعيل الخالدا;z8 April 1932 – 22 January 2010) was the 24th Sultan of Johor and the 4th Sultan of modern Johor. [ε] He succeeded his father Sultan Ismail upon the latter's death on 10 May 1981. He was the eighth Yang di-Pertuan Agong (Supreme King or High King) of Malaysia from 26 April 1984 to 25 April 1989. Sultan Iskandar's reign lasted for almost 29 years until his death in January 2010.