Muslim populations in southern Palawan are the descendants of the people of the Sultanate of Sulu who once controlled the island group .
The island group of Palawan was also formerly part of the Empire of Brunei , but was also given to Sulu by Brunei .
Muslim populations in southern Palawan are the descendants of the people of the Sulu     who once controlled the island group .
The island group of Palawan was also formerly part of the Empire of Brunei , but was also given to Sulu by Brunei .