In the absence of a male heir , the reigning Sultan may nominate a brother or other male relative from amongst the descendants of Sultan Said bin Sultan .
In Oman , the eldest son of the reigning Sultan succeeds to the throne on his death .
In the absence of a male heir , the reigning Sultan may nominate a brother or other male relative from amongst the descendants of Sultan       .
In Oman , the eldest son of the reigning Sultan succeeds to the throne on his death .