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 Phoenician origin; perhaps the islands were sacred to the god Baal and the resemblance to the Greek root ΒΑΛ (in /"ballo") is accidental. Indeed, it was usual Greek practice to assimilate local names into their own language. But the common Greek name of the islands is not /"Baleareis", but /"Gymnesiai". The former was the name used by the natives, as well as by the Carthaginians and Romans, while the latter probably derives from the light equipment of the Balearic troops /"gymnetae". The Balearic Islands are on a raised platform called the Balearic Promontory, and were formed by uplift. They are