time there. By a peace treaty with King Charles II of Naples in 1296, he agreed to give up Sicily, but the Sicilians instead installed his brother Frederick on the throne.

Due to the fact that Frederick would not withdraw from the island, Pope Boniface VIII asked James II, along with Charles II of Naples, to remove him. As an enticement to do this the Pope invested James II with the title to Sardinia and Corsica, as well as appointing him papal gonfalonier.