Sultan Selim is the ruler of Izmora.  His only son is Prince Atol.

 

His sister was wed to the former Sultan of Firehawk.  Upon his death, Selim claimed Firehawk as part of his empire which led to a war between the two kingdoms.

 

 

Image from V is for Voonder.

Castor presenting the Sultan of Izmora and his son, Prince Atol.