In Perak, the throne is rotated amongst a few branches from the royal relatives. The procedure originated during the 19th century in the course of the reign on the 18th Sultan of Perak, when it was decided that the throne would rotate among his a few sons as well https://andrestzfkp.blogmazing.com/26604943/an-unbiased-view-of-dukun-pelet-sesama-jenis