Balearic Islands having partitioned his domains between his sons in his will. The will created a new Kingdom of Mallorca from the Balearic islands and the mainland counties of Roussillon or Montpellier, which was left to his son James II. However, the terms of the will specified that the new kingdom be a vassal state to the Kingdom of Aragon, which was left to his older brother Peter. Chafing under the vassalage, James joined forces with the Pope Martin IV and Philip III of France against his brother in the Aragonese Crusade, leading to a 10-year Aragonese occupation before the islands were
Balearic Islands the world). Both were extremely fertile in all produce, except wine and olive oil. They were celebrated for their cattle, especially for the mules of the lesser island; they had an immense number of rabbits, and were free from all venomous reptiles. Amongst the snails valued by the Romans as a diet was a species from the Balearic isles called "cavaticae" because they were bred in caves. Their chief mineral product was the red earth, called "sinope", which was used by painters. Their resin and pitch are mentioned by Dioscorides. The population of the two islands is stated by Diodorus