Complex sentence: The Genoese Pilot of the Magellan expedition states in his document that the Spaniards had no interpreter when they arrived back to Cebu, due to Enrique had died in Mactan island along with Magellan during the Battle of Mactan in 1521.
Split into simpler sentences: The Genoese Pilot of the Magellan expedition states in his document that Enrique had died in Mactan island. According to this document, when the fleet reached Cebu, the Spaniards had no interpreter, for he had been killed with Magellan during the Battle of Mactan in 1521.