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 Sea Cabo Berberia, the Southwest extreme of Formentera (Islas Baleares). "On the Southeast." The South Coast of Formentera, thence a line from Punta Rotja, its Eastern extreme, to the Southern extreme of Isla Cabrera () and to Isla del Aire, off the Southern extreme of Menorca. "On the Northeast." The East coast of Menorca up to Cap Favaritx () thence a line to Cabo San Sebastian (Spain) (). Balearic Sea The Balearic Sea (endotoponym: "Mar Balear" in Catalan and Spanish) is a body of water in the Mediterranean Sea near the Balearic Islands. It is not to be confused with the