 His wife died in Seville around 1521.Meanwhile, Magellan devoted himself to studying the most recent charts, investigating, in partnership with cosmographer Rui Faleiro, a gateway from the Atlantic to the South Pacific and the possibility of the Moluccas being Spanish according to the demarcation of the Treaty of Tordesillas.After having his proposed expeditions to the Spice Islands repeatedly rejected by King Manuel of Portugal, Magellan turned to Charles I, the young King of Spain (and future Holy Roman Emperor).