 China also had vassals among the leaders in the archipelago.China attained ascendancy in trade with the area in Yongle's reign.Afterwards, some parts of Luzon were Islamized when the former Majapahit province of Poni broke free, converted to Islam, imported an Arab prince from Saudi Arabia, in the person of Sharif Ali, and became the Sultanate of Brunei, a nation that then expanded its realms from Borneo to the Philippines and set up the Kingdom of Maynila as its puppet-state as well as incorporate the newly converted Sultanate of Sulu by a royal marriage.