James inherited from his father a realm including three of the Balearic Islands (Majorca, Ibiza and Formentera), the counties of Roussillon and Cerdanya, the dominion of Montpellier, the barony of Aumelàs, and the viscounty of Carladès.
The lordship of Aumelas (the Aumeladez) was detached from the territories of Montpellier to create a property for him.
Raimbaut of Orange (1147–1173), or in Occitan Raimbaut d'Aurenga, was the lord of Orange and Aumelas and a troubadour